tag:blogger.com,1999:blog-74707256934329427832024-03-13T17:55:18.729-07:00Ecología estadísticaRosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.comBlogger56125tag:blogger.com,1999:blog-7470725693432942783.post-74865737401766651662014-06-04T02:28:00.000-07:002014-06-04T03:02:16.177-07:00Shiny: crear una aplicación web interactiva (apps) desde R.<h2>
Shiny: resultados interactivos o programación reactiva.</h2>
<h3>
</h3>
<h3>
¿Qué es Shiny?</h3>
Shiny es una herramienta para crear fácilmente aplicaciones web interactivas (apps) que permiten a los usuarios interactuar con sus datos sin tener que manipular el código.<br />
La programación Reactiva enfatiza el uso de:<br />
<ul>
<li>Valores que cambian en el tiempo</li>
<li>Expresiones que registran esos cambios</li>
<li>Ver el ejemplo que hemos publicado en este mismo blog.</li>
</ul>
<h3>
¿Necesito ser un programador web para su uso?</h3>
No hace falta conocimiento de HTML o JavaScript, solo conocer R.<br />
<br />
<h3>
¿Para qué sirve?</h3>
<div>
<div>
La programación Reactiva enfatiza el uso de: </div>
<div>
<ul>
<li>Valores que cambian en el tiempo</li>
<li>Expresiones que registran esos cambios</li>
</ul>
</div>
</div>
<h3>
Hagamos un ejemplo</h3>
<div>
Ver: <a href="http://shiny.rstudio.com/tutorial/">http://shiny.rstudio.com/tutorial/</a><br />
<br /></div>
Lo primero que se necesita es instalar el paquete:<br />
<pre style="background-color: whitesmoke; border-bottom-color: white; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-bottom-width: 1px; border-right-color: white; border-right-width: 1px; border-style: none solid solid none; border-top-left-radius: 0px; border-top-right-radius: 0px; box-shadow: rgb(221, 221, 221) 5px 5px 0px; box-sizing: border-box; color: #333333; font-family: Menlo, Monaco, Consolas, 'Courier New', monospace; font-size: 13px; line-height: 1.428571429; margin-bottom: 16px; padding: 9.5px; white-space: pre-wrap; word-break: break-all; word-wrap: break-word;"><code class="console" style="background-color: transparent; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; box-sizing: border-box; color: inherit; font-family: 'Source Code Pro', 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: inherit; padding: 0px;">install.packages<span class="o" style="box-sizing: border-box;">(</span><span class="s2" style="box-sizing: border-box;">"shiny"</span><span class="o" style="box-sizing: border-box;">)</span></code></pre>
<br />
Para obtener un ejemplo sencillo de Shiny podemos "correr" el ejemplo "Hola Shiny" que realiza unhistograma y permite a los usuarios cambiar el número de intervalos en el gráfico.<br />
<br />
<pre style="background-color: whitesmoke; border-bottom-color: white; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-bottom-width: 1px; border-right-color: white; border-right-width: 1px; border-style: none solid solid none; border-top-left-radius: 0px; border-top-right-radius: 0px; box-shadow: rgb(221, 221, 221) 5px 5px 0px; box-sizing: border-box; color: #333333; font-family: Menlo, Monaco, Consolas, 'Courier New', monospace; font-size: 13px; line-height: 1.428571429; margin-bottom: 16px; padding: 9.5px; white-space: pre-wrap; word-break: break-all; word-wrap: break-word;"><code class="console" style="background-color: transparent; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; box-sizing: border-box; color: inherit; font-family: 'Source Code Pro', 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: inherit; padding: 0px;">library<span class="o" style="box-sizing: border-box;">(</span>shiny<span class="o" style="box-sizing: border-box;">)</span>
runExample<span class="o" style="box-sizing: border-box;">(</span><span class="s2" style="box-sizing: border-box;">"01_hello"</span><span class="o" style="box-sizing: border-box;">)</span></code></pre>
<br />
La aplicación tiene 2 componentes:<br />
<ol>
<li>una secuencia de comandos de interfaz de usuario (UI, archivo ui.R), que controla el diseño y aspecto de la aplicación.</li>
<li>una secuencia de comandos del servidor (server.R), que contiene las instrucciones que su equipo necesita para construir su aplicación.</li>
</ol>
<br />
En este ejemplo:<br />
<h4>
ui.R</h4>
<pre style="background-color: whitesmoke; border-bottom-color: white; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-bottom-width: 1px; border-right-color: white; border-right-width: 1px; border-style: none solid solid none; border-top-left-radius: 0px; border-top-right-radius: 0px; box-shadow: rgb(221, 221, 221) 5px 5px 0px; box-sizing: border-box; color: #333333; font-family: Menlo, Monaco, Consolas, 'Courier New', monospace; font-size: 13px; line-height: 1.428571429; margin-bottom: 16px; padding: 9.5px; white-space: pre-wrap; word-break: break-all; word-wrap: break-word;"><code class="r" style="background-color: transparent; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; box-sizing: border-box; color: inherit; font-family: 'Source Code Pro', 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: inherit; padding: 0px;"><span class="keyword" style="box-sizing: border-box; color: blue;">library</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="identifier" style="box-sizing: border-box; color: black;">shiny</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># Define UI for application that draws a histogram</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">shinyUI</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="identifier" style="box-sizing: border-box; color: black;">fluidPage</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># Application title</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">titlePanel</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"Hello Shiny!"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span>,</span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># Sidebar with a slider input for the number of bins</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">sidebarLayout</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">sidebarPanel</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">sliderInput</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"bins"</span></span><span class="p" style="box-sizing: border-box;">,</span>
<span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"Number of bins:"</span></span><span class="p" style="box-sizing: border-box;">,</span>
<span class="identifier" style="box-sizing: border-box; color: black;">min</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">=</span></span> <span class="m" style="box-sizing: border-box;"><span class="number" style="box-sizing: border-box; color: mediumblue;">1</span></span><span class="p" style="box-sizing: border-box;">,</span>
<span class="identifier" style="box-sizing: border-box; color: black;">max</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">=</span></span> <span class="m" style="box-sizing: border-box;"><span class="number" style="box-sizing: border-box; color: mediumblue;">50</span></span><span class="p" style="box-sizing: border-box;">,</span>
<span class="identifier" style="box-sizing: border-box; color: black;">value</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">=</span></span> <span class="m" style="box-sizing: border-box;"><span class="number" style="box-sizing: border-box; color: mediumblue;">30</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span>,</span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># Show a plot of the generated distribution</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">mainPanel</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">plotOutput</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"distPlot"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span></code></pre>
<h4>
server.R</h4>
<pre style="background-color: whitesmoke; border-bottom-color: white; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-bottom-width: 1px; border-right-color: white; border-right-width: 1px; border-style: none solid solid none; border-top-left-radius: 0px; border-top-right-radius: 0px; box-shadow: rgb(221, 221, 221) 5px 5px 0px; box-sizing: border-box; color: #333333; font-family: Menlo, Monaco, Consolas, 'Courier New', monospace; font-size: 13px; line-height: 1.428571429; margin-bottom: 16px; padding: 9.5px; white-space: pre-wrap; word-break: break-all; word-wrap: break-word;"><code class="r" style="background-color: transparent; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; box-sizing: border-box; color: inherit; font-family: 'Source Code Pro', 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: inherit; padding: 0px;"><span class="keyword" style="box-sizing: border-box; color: blue;">library</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="identifier" style="box-sizing: border-box; color: black;">shiny</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># Define server logic required to draw a histogram</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">shinyServer</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="kr" style="box-sizing: border-box;"><span class="keyword" style="box-sizing: border-box; color: blue;">function</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="identifier" style="box-sizing: border-box; color: black;">input</span><span class="p" style="box-sizing: border-box;">,</span> <span class="identifier" style="box-sizing: border-box; color: black;">output</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">{</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># Expression that generates a histogram. The expression is</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># wrapped in a call to renderPlot to indicate that:</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;">#</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># 1) It is "reactive" and therefore should re-execute automatically</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># when inputs change</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># 2) Its output type is a plot</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">output</span><span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">$</span></span><span class="identifier" style="box-sizing: border-box; color: black;">distPlot</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;"><-</span></span> <span class="identifier" style="box-sizing: border-box; color: black;">renderPlot</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span><span class="paren" style="box-sizing: border-box; color: #687687;">{</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">x</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;"><-</span></span> <span class="identifier" style="box-sizing: border-box; color: black;">faithful</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">[</span>,</span> <span class="m" style="box-sizing: border-box;"><span class="number" style="box-sizing: border-box; color: mediumblue;">2</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">]</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># Old Faithful Geyser data</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">bins</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;"><-</span></span> <span class="identifier" style="box-sizing: border-box; color: black;">seq</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="identifier" style="box-sizing: border-box; color: black;">min</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="identifier" style="box-sizing: border-box; color: black;">x</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span>,</span> <span class="identifier" style="box-sizing: border-box; color: black;">max</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="identifier" style="box-sizing: border-box; color: black;">x</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span>,</span> <span class="identifier" style="box-sizing: border-box; color: black;">length.out</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">=</span></span> <span class="identifier" style="box-sizing: border-box; color: black;">input</span><span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">$</span></span><span class="identifier" style="box-sizing: border-box; color: black;">bins</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">+</span></span> <span class="m" style="box-sizing: border-box;"><span class="number" style="box-sizing: border-box; color: mediumblue;">1</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># draw the histogram with the specified number of bins</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">hist</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="identifier" style="box-sizing: border-box; color: black;">x</span><span class="p" style="box-sizing: border-box;">,</span> <span class="identifier" style="box-sizing: border-box; color: black;">breaks</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">=</span></span> <span class="identifier" style="box-sizing: border-box; color: black;">bins</span><span class="p" style="box-sizing: border-box;">,</span> <span class="identifier" style="box-sizing: border-box; color: black;">col</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">=</span></span> <span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">'darkgray'</span></span><span class="p" style="box-sizing: border-box;">,</span> <span class="identifier" style="box-sizing: border-box; color: black;">border</span> <span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">=</span></span> <span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">'white'</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">}</span><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">}</span><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span></code></pre>
<br />
<h4>
Ejecutar la aplicación</h4>
<pre style="background-color: whitesmoke; border-bottom-color: white; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-bottom-width: 1px; border-right-color: white; border-right-width: 1px; border-style: none solid solid none; border-top-left-radius: 0px; border-top-right-radius: 0px; box-shadow: rgb(221, 221, 221) 5px 5px 0px; box-sizing: border-box; color: #333333; font-family: Menlo, Monaco, Consolas, 'Courier New', monospace; font-size: 13px; line-height: 1.428571429; margin-bottom: 16px; padding: 9.5px; white-space: pre-wrap; word-break: break-all; word-wrap: break-word;"><code class="console" style="background-color: transparent; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; box-sizing: border-box; color: inherit; font-family: 'Source Code Pro', 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: inherit; padding: 0px;">library<span class="o" style="box-sizing: border-box;">(</span>shiny<span class="o" style="box-sizing: border-box;">)</span>
runApp<span class="o" style="box-sizing: border-box;">(</span><span class="s2" style="box-sizing: border-box;">"my_app"</span><span class="o" style="box-sizing: border-box;">)</span></code></pre>
<br />
Para ejecutar la aplicación, se utiliza la función runApp con el nombre del directorio donde se encuentran los archivos anteriores.<br />
<br />
También se puede correr la aplicación desde cualquiera de los dos archivos en el editor de texto RStudio, mediante el botón que se marca debajo (RStudio reconoce automáticamente que se trata de un código de una aplicación):<br />
<br />
<img alt="" src="http://shiny.rstudio.com/tutorial/lesson1/images/run-app.png" style="background-color: white; border: 0px; box-sizing: border-box; color: #333333; font-family: 'Source Sans Pro'; font-size: 14px; line-height: 20px; max-width: 100%; vertical-align: middle;" /><br />
<br />
<br />
<div style="text-align: center;">
<img alt="" src="http://shiny.rstudio.com/tutorial/lesson1/images/launch-options.png" style="background-color: white; border: 0px; box-sizing: border-box; color: #333333; font-family: 'Source Sans Pro'; font-size: 14px; line-height: 20px; max-width: 100%; vertical-align: middle;" /></div>
<div style="text-align: center;">
<br /></div>
Para crear su propia aplicación <b>Shiny</b>:<br />
<ul>
<li>Crear un directorio para la aplicación. </li>
<li>Guardar los archivos server.R y ui.R dentro de ese directorio. </li>
<li>Iniciar la aplicación con los métodos indicados en Rstudio. </li>
<li>Salir de la aplicación haciendo clic en escape.</li>
</ul>
<div>
Una forma sencilla para comenzar a diseñar la aplicación, es partir de uno de los ejemplos propuestos en RStudio.</div>
<br />
<pre style="background-color: whitesmoke; border-bottom-color: white; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-bottom-width: 1px; border-right-color: white; border-right-width: 1px; border-style: none solid solid none; border-top-left-radius: 0px; border-top-right-radius: 0px; box-shadow: rgb(221, 221, 221) 5px 5px 0px; box-sizing: border-box; color: #333333; font-family: Menlo, Monaco, Consolas, 'Courier New', monospace; font-size: 13px; line-height: 1.428571429; margin-bottom: 16px; padding: 9.5px; white-space: pre-wrap; word-break: break-all; word-wrap: break-word;"><code class="r" style="background-color: transparent; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; box-sizing: border-box; color: inherit; font-family: 'Source Code Pro', 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: inherit; padding: 0px;"><span class="identifier" style="box-sizing: border-box; color: black;">system.file</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"examples"</span></span><span class="p" style="box-sizing: border-box;">,</span> <span class="identifier" style="box-sizing: border-box; color: black;">package</span><span class="o" style="box-sizing: border-box;"><span class="operator" style="box-sizing: border-box; color: #687687;">=</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"shiny"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"01_hello"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># a histogram</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"02_text"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># tables and data frames</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"03_reactivity"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># a reactive expression</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"04_mpg"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># global variables</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"05_sliders"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># slider bars</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"06_tabsets"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># tabbed panels</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"07_widgets"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># help text and submit buttons</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"08_html"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># shiny app built from HTML</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"09_upload"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># file upload wizard</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"10_download"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># file download wizard</span></span>
<span class="identifier" style="box-sizing: border-box; color: black;">runExample</span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">(</span></span><span class="s" style="box-sizing: border-box;"><span class="string" style="box-sizing: border-box; color: #036a07;">"11_timer"</span></span><span class="p" style="box-sizing: border-box;"><span class="paren" style="box-sizing: border-box; color: #687687;">)</span></span> <span class="c1" style="box-sizing: border-box;"><span class="comment" style="box-sizing: border-box; color: #4c886b;"># an automated timer</span></span></code></pre>
<br /><a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006"></a>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com1tag:blogger.com,1999:blog-7470725693432942783.post-32282334172665434872014-06-03T02:30:00.000-07:002014-06-04T02:34:37.742-07:00Informes dinámicos, elegantes, rápidos y flexibles con R: knitr (Rmd, Rnw, Lyx-LATEX)<h2>El paquete knitr: una forma de tejer nuestros informes.</h2>El paquete knitr nos permite generar informes html y pdf mediante módulos (o "chuncks"), y así "tejer" (de ahí el icono de knitr) un documento en pequeñas funciones manejables. En particular, nos permite:<br />
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<div><ol><li>obtener un informe rápido y flexible, </li>
<li>generar un archivo html (Rmd) o pdf (Rwn), </li>
<li>integrar herramientas como LATEX (el programa amigable de LATEX que recomiendo -y uso- es LyX).</li>
</ol><div>En el siguiente video se muestra cómo instalar el paquete (simplemente, install.packages("knitr")) y adaptar RStudio para trabajar con él (options->cambiar de Sweave a knitr). Se detallan cómo formar los módulos para trabajar con Rmd y/o con Rnw.</div><div><br />
</div><iframe frameborder="0" height="396" src="http://www.screenr.com/embed/qcv8" width="650"></iframe><br />
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En la página <a href="http://yihui.name/knitr/">web de knitr</a> podrán obtener <a href="https://github.com/yihui/knitr-examples">archivos de ejemplos</a> para descargar y aprender a usar knitr.<br />
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<h3>Generar informes pdf con código LATEX</h3>Por ejemplo, para Rnw basta con darle las siguientes órdenes básicas:<br />
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Primero file->new->Rnw. Verás que el archivo ya comienza con la información básica que necesitas.<br />
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<div style="overflow: auto;"><div class="geshifilter"><pre class="r geshifilter-R" style="font-family: monospace;">\documentclass<span style="color: #009900;">{</span>article<span style="color: #009900;">}</span>
\usepackage<span style="color: #009900;">[</span>T1<span style="color: #009900;">]</span><span style="color: #009900;">{</span>fontenc<span style="color: #009900;">}</span>
\begin<span style="color: #009900;">{</span>document<span style="color: #009900;">}</span>
Here <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> a code chunk.
<<foo<span style="color: #339933;">,</span> fig.height=<span style="color: #cc66cc;">4</span>>>=
<span style="color: #cc66cc;">1</span>+<span style="color: #cc66cc;">1</span>
<span style="color: black; font-weight: bold;">letters</span>
<a href="http://inside-r.org/r-doc/base/chartr"><span style="color: #003399; font-weight: bold;">chartr</span></a><span style="color: #009900;">(</span><span style="color: blue;">'xie'</span><span style="color: #339933;">,</span> <span style="color: blue;">'XIE'</span><span style="color: #339933;">,</span> <a href="http://inside-r.org/r-doc/base/c"><span style="color: #003399; font-weight: bold;">c</span></a><span style="color: #009900;">(</span><span style="color: blue;">'xie yihui'</span><span style="color: #339933;">,</span> <span style="color: blue;">'Yihui Xie'</span><span style="color: #009900;">)</span><span style="color: #009900;">)</span>
<a href="http://inside-r.org/r-doc/graphics/par"><span style="color: #003399; font-weight: bold;">par</span></a><span style="color: #009900;">(</span><a href="http://inside-r.org/packages/cran/mAr">mar</a>=<a href="http://inside-r.org/r-doc/base/c"><span style="color: #003399; font-weight: bold;">c</span></a><span style="color: #009900;">(</span><span style="color: #cc66cc;">4</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">4</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">.2</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">.2</span><span style="color: #009900;">)</span><span style="color: #009900;">)</span><span style="color: #339933;">;</span> <a href="http://inside-r.org/r-doc/graphics/plot"><span style="color: #003399; font-weight: bold;">plot</span></a><span style="color: #009900;">(</span><a href="http://inside-r.org/r-doc/stats/rnorm"><span style="color: #003399; font-weight: bold;">rnorm</span></a><span style="color: #009900;">(</span><span style="color: #cc66cc;">100</span><span style="color: #009900;">)</span><span style="color: #009900;">)</span>
@
You can also <a href="http://inside-r.org/r-doc/base/write"><span style="color: #003399; font-weight: bold;">write</span></a> <a href="http://inside-r.org/packages/cran/inline">inline</a> expressions<span style="color: #339933;">,</span> e.g. $\<span style="color: black; font-weight: bold;">pi</span>=\Sexpr<span style="color: #009900;">{</span><span style="color: black; font-weight: bold;">pi</span><span style="color: #009900;">}</span>$<span style="color: #339933;">,</span> and \Sexpr<span style="color: #009900;">{</span>1.598673e8<span style="color: #009900;">}</span> <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> a big number.
\<a href="http://inside-r.org/r-doc/stats/end"><span style="color: #003399; font-weight: bold;">end</span></a><span style="color: #009900;">{</span>document<span style="color: #009900;">}</span></pre></div></div><br />
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<a href="https://bitbucket.org/stat/knitr/downloads/knitr-minimal.pdf">Aquí</a> está el resultado en pdf.<br />
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<h3>Generar informes html con código LATEX</h3><div><br />
</div>Por ejemplo, para Rmd basta con darle las siguientes órdenes básicas:<br />
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Primero file->new->Rmd. Nuevamente, el archivo comienza con el código básico que necesitamos para construir el documento.<br />
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<div style="overflow: auto;"><div class="geshifilter"><pre class="r geshifilter-R" style="font-family: monospace;"><span style="color: #666666; font-style: italic;"># A minimal R Markdown example</span>
A <a href="http://inside-r.org/r-doc/base/quote"><span style="color: #003399; font-weight: bold;">quote</span></a>:
> Markdown <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> not LaTeX.
To <a href="http://inside-r.org/r-doc/compiler/compile"><span style="color: #003399; font-weight: bold;">compile</span></a> me<span style="color: #339933;">,</span> run this <span style="color: black; font-weight: bold;">in</span> R:
<a href="http://inside-r.org/r-doc/base/library"><span style="color: #003399; font-weight: bold;">library</span></a><span style="color: #009900;">(</span>knitr<span style="color: #009900;">)</span>
knit<span style="color: #009900;">(</span><span style="color: blue;">'001-minimal.Rmd'</span><span style="color: #009900;">)</span>
See <span style="color: #009900;">[</span>output here<span style="color: #009900;">]</span><span style="color: #009900;">(</span>https://github.com/yihui/knitr-examples/blob/master/001-minimal.md<span style="color: #009900;">)</span>.
<span style="color: #666666; font-style: italic;">## code chunks</span>
A _paragraph_ here. A code chunk below <span style="color: #009900;">(</span>remember the three backticks<span style="color: #009900;">)</span>:
<span style="color: blue;">``</span><span style="color: blue;">`{r}
1+1
.4-.7+.3 # what? it is not zero!
`</span><span style="color: blue;">``</span>
<span style="color: #666666; font-style: italic;">## graphics</span>
It <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> easy.
<span style="color: blue;">``</span><span style="color: blue;">`{r}
plot(1:10)
hist(rnorm(1000))
`</span><span style="color: blue;">``</span>
<span style="color: #666666; font-style: italic;">## inline code</span>
Yes <a href="http://inside-r.org/r-doc/base/I"><span style="color: #003399; font-weight: bold;">I</span></a> know the value of <span style="color: black; font-weight: bold;">pi</span> <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> <span style="color: blue;">`r pi`</span><span style="color: #339933;">,</span> and <span style="color: #cc66cc;">2</span> times <span style="color: black; font-weight: bold;">pi</span> <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> <span style="color: blue;">`r 2*pi`</span>.
<span style="color: #666666; font-style: italic;">## math</span>
Sigh. You cannot live without math equations. OK<span style="color: #339933;">,</span> here we go: $\alpha+\<a href="http://inside-r.org/r-doc/base/beta"><span style="color: #003399; font-weight: bold;">beta</span></a>=\<a href="http://inside-r.org/r-doc/base/gamma"><span style="color: #003399; font-weight: bold;">gamma</span></a>$. Note this <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> not supported <a href="http://inside-r.org/r-doc/base/by"><span style="color: #003399; font-weight: bold;">by</span></a> native markdown. You probably want to <a href="http://inside-r.org/r-doc/base/try"><span style="color: #003399; font-weight: bold;">try</span></a> RStudio<span style="color: #339933;">,</span> or at least the R package **markdown**<span style="color: #339933;">,</span> or the <a href="http://inside-r.org/r-doc/base/function"><span style="color: #003399; font-weight: bold;">function</span></a> <span style="color: blue;">`knitr::knit2html()`</span>.
<span style="color: #666666; font-style: italic;">## nested code chunks</span>
You can <a href="http://inside-r.org/r-doc/base/write"><span style="color: #003399; font-weight: bold;">write</span></a> code <a href="http://inside-r.org/r-doc/base/within"><span style="color: #003399; font-weight: bold;">within</span></a> other elements<span style="color: #339933;">,</span> e.g. a <a href="http://inside-r.org/r-doc/base/list"><span style="color: #003399; font-weight: bold;">list</span></a>
<span style="color: #cc66cc;">1</span>. foo <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> good
<span style="color: blue;">``</span><span style="color: blue;">`{r}
strsplit('hello indented world', ' ')[[1]]
`</span><span style="color: blue;">``</span>
<span style="color: #cc66cc;">2</span>. bar <a href="http://inside-r.org/r-doc/methods/is"><span style="color: #003399; font-weight: bold;">is</span></a> better
<span style="color: #666666; font-style: italic;">## conclusion</span>
Nothing fancy. You are ready to go. When you become picky<span style="color: #339933;">,</span> go to the <span style="color: #009900;">[</span>knitr website<span style="color: #009900;">]</span><span style="color: #009900;">(</span>http://yihui.name/knitr/<span style="color: #009900;">)</span>.
!<span style="color: #009900;">[</span>knitr logo<span style="color: #009900;">]</span><span style="color: #009900;">(</span>http://yihui.name/knitr/images/knit-logo.png<span style="color: #009900;">)</span></pre></div></div><br />
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Una vez que guardes los archivos de códigos, para ver los informes solo tienes que poner en la consola de R:<br />
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</div><div style="overflow: auto;"><div class="geshifilter"><pre class="r geshifilter-R" style="font-family: monospace;"><a href="http://inside-r.org/r-doc/base/library"><span style="color: #003399; font-weight: bold;">library</span></a><span style="color: #009900;">(</span>knitr<span style="color: #009900;">)</span>
knit<span style="color: #009900;">(</span><span style="color: blue;">'knitr-minimal.Rnw'</span><span style="color: #009900;">)</span>
knit<span style="color: #009900;">(</span><span style="color: blue;">'knitr-minimal.Rhtml'</span><span style="color: #009900;">)</span>
knit<span style="color: #009900;">(</span><span style="color: blue;">'knitr-minimal.Rmd'</span><span style="color: #009900;">)</span></pre></div></div><br />
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En próximas entradas comentaré cómo pasar de un tipo de archivo a otro y nuevas herramientas de knitr a explorar.<br />
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Saludos!Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-69814159729928573552014-06-02T02:29:00.000-07:002014-06-04T02:35:15.301-07:00Segunda Escuela Iberoamericana de Cambio Global. Río de Janeiro, Brasil.<div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;"><h3>ATENCIÓN!!!!!</h3><br />
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<h2>Evento: Segunda Escuela Iberoamericana de Cambio Global</h2></div><div class="separator" style="clear: both; text-align: center;"><a href="https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-prn2/t1.0-9/10313414_434320783377312_5248765449941413355_n.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="442" src="https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-prn2/t1.0-9/10313414_434320783377312_5248765449941413355_n.jpg" width="640" /></a></div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;"><br />
</div><h3>Tema: Cambio Global y Procesos de Retroalimentación</h3><div class="separator" style="clear: both; text-align: center;"><a href="https://fbcdn-profile-a.akamaihd.net/hprofile-ak-prn2/t1.0-1/c4.0.160.160/p160x160/10314565_431752476967476_8357021645237346722_n.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://fbcdn-profile-a.akamaihd.net/hprofile-ak-prn2/t1.0-1/c4.0.160.160/p160x160/10314565_431752476967476_8357021645237346722_n.jpg" /></a></div><div><br />
</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">Lugar: Río de Janeiro, Brasil.</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">Promotor: LINCGlobal</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">Contato: lincglobalufrj@gmail.com </div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">WEB: https://www.facebook.com/pages/Simpósio-de-Mudanças-Globais-RJ/431275163681874?fref=ts</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;"><br />
</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">• <b>Simposio</b>: 15 a 17 de Setembro de 2014</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">• <b>Workshop</b>: 18 a 20 de Setembro de 2014</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">• <b>Curso de Post-Graduación</b>: 2 a 30 de Setembro de 2014</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;"><br />
</div><h3>Conferencistas confirmados: </h3><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">CSIC/ Espanha Fernando Valladares, Blas Valero, Miguel Araujo, Francisco Puignaire, Ana Moreno, Jose Luiz Pellegri, </div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">PUC/ Chile Pablo Marquet, Ernesto Gianolli, Claudio Latorre, Gaxiola Aurora. </div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;">UFRJ-UFF-UERJ-UNIR/ Brasil Olaf Malm, Alex Enrich Prast, Humberto Marotta, Mariana Valle, Mario Soares, Wanderley Bastos</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;"><br />
</div><h3>Habrá presentación de trabajos en forma de Panel. </h3><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;"><b><span style="color: red;">Prepara tu currículum! </span></b>Debe contener el título del trabajo, autores e instituciones, breve introducción, objetivo, resultado y conclusión. No requiere la inclusión de figuras y metodología. El resumen no debe exceder 1 hoja A4, letra Times New Roman, tamaño 12.</div><div style="background-color: white; font-family: Roboto, arial, sans-serif; font-size: 13px; line-height: 18px;"><br />
</div><a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006"></a><br />
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<blockquote></blockquote>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-21391663783279142392014-06-01T02:26:00.000-07:002014-06-04T02:35:42.990-07:00Graficar con estilo xkcd en R!<h2><span style="text-align: start;">Ahora podemos crear gráficos en R con el estilo xkcd! </span></h2><div class="" style="clear: both; text-align: center;"><span style="text-align: start;"><br />
</span></div><div class="separator" style="clear: both; text-align: center;"><a href="http://imgs.xkcd.com/comics/old_files.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://imgs.xkcd.com/comics/old_files.png" /></a></div><div><br />
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<div class="separator" style="clear: both; text-align: center;"></div><br />
</div>Web: <a href="http://xkcd.com/">http://xkcd.com</a><br />
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<a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"></a>Los comics <b><a href="http://xkcd.com/">xkcd</a></b> son creados por Randall Munroe (<a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006"><img border="0" src="" /></a><a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006"><img border="0" src="" /></a><a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006"><img border="0" src="" /></a>"<i>un cómic web de romance, sarcasmo, matemáticas e idioma</i>" -<a href="http://es.xkcd.com/strips/lo-que-significa-xkcd/">en español</a>-), un diseñador de robots de la NASA, natural de Chesterfield, Virginia (actualmente vive en Somerville, Massachusetts).<br />
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<div><br />
</div><div>Para crear nuestros propios gráficos debemos instalar el paquete xkcd. En el propio paquete, se encuentran ejemplos de gráficos de puntos, histogramas, etc.</div><div><br />
</div><div><div class="separator" style="clear: both; text-align: center;"><a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a></div><pre class="default prettyprint prettyprinted" style="background-color: #eeeeee; border: 0px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; font-size: 14px; line-height: 18px; margin-bottom: 10px; max-height: 600px; overflow: auto; padding: 5px; vertical-align: baseline; width: auto; word-wrap: normal;"><code style="border: 0px; font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif; margin: 0px; padding: 0px; vertical-align: baseline; white-space: inherit;"><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">library</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">xkcd</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">)</span><span class="pln" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">
vignette</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">(</span><span class="str" style="background-color: transparent; border: 0px; color: maroon; margin: 0px; padding: 0px; vertical-align: baseline;">"xkcd-intro"</span><span class="pun" style="background-color: transparent; border: 0px; margin: 0px; padding: 0px; vertical-align: baseline;">)</span></code></pre></div><div class="" style="clear: both; text-align: left;">Por ejemplo, podemos crear el siguiente gráfico:</div><div class="separator" style="clear: both; text-align: center;"><a href="http://i.stack.imgur.com/LyEvh.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://i.stack.imgur.com/LyEvh.png" /></a></div><div><br />
</div><div><a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"></a><br />
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Fuente: <a href="http://stackoverflow.com/questions/12675147/how-can-we-make-xkcd-style-graphs-in-r">http://stackoverflow.com/questions/12675147/how-can-we-make-xkcd-style-graphs-in-r</a><br />
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<div class="separator" style="clear: both; text-align: center;"></div></div></div>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-89678601302389057822014-05-31T02:27:00.000-07:002014-06-04T02:36:00.835-07:00Knitr: integrar código R en archivos de distintos formatos<h2>Knitr</h2>Knitr es un paquete nuevo de R que permite integrar código R en archivos de distintos formatos (ver tabla 1 y figura 1). Es más potente que los anteriores paquetes Sweave, pdfSweave o cacheSweave.<br />
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<a href="http://rosanaferrero.blogspot.com.es/2014/04/informes-dinamicos-elegantes-rapidos-y.html">Ver la entrada anterior sobre knitr.</a><br />
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<table border="0" cellpadding="0" cellspacing="0"><tbody>
<tr> <td valign="top"><b>Format</b></td> <td valign="top"><b>Source file ending</b></td> <td valign="top"><b>Output</b></td> <td valign="top"><b>R Code Chunk</b></td> <td valign="top"><b>R expression</b></td> </tr>
<tr> <td valign="top">Rnw</td> <td valign="top">Rnw (.Rnw)</td> <td valign="top">Tex, pdf</td> <td valign="top"><pre><<R example>>=</pre><pre>x <- 1+1</pre><pre>rnorm(5)</pre><pre>@</pre></td> <td valign="top"><pre>\Sexpr{pi}</pre></td> </tr>
<tr> <td valign="top">Github format markdown</td> <td valign="top">Markdown (.Rmd or .md)</td> <td valign="top">md, html</td> <td valign="top"><pre>``` {r example}</pre><pre>x <- 1+1</pre><pre>rnorm(5)</pre><pre>```</pre></td> <td valign="top"><pre>`r pi`.</pre></td> </tr>
<tr> <td valign="top">HTML</td> <td valign="top">Rhtml</td> <td valign="top">.html</td> <td valign="top"><pre><!--R example</pre><pre>x <- 1+1</pre><pre>rnorm(5)</pre><pre>end.rcode--></pre></td> <td valign="top"><pre><!--rinline pi --></pre><pre></pre></td> </tr>
<tr> <td valign="top">reStructuredText</td> <td valign="top">.Rst</td> <td valign="top">.rst</td> <td valign="top">.. {R example}<br />
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<pre>.. x <- 1+1</pre>.. rnorm(5)<br />
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.. ..<br />
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NOTE:include space after the ..</td> <td valign="top"><pre>:r:`pi`</pre></td> </tr>
</tbody> </table><div style="text-align: center;"><br />
</div><div style="text-align: center;">Tabla 1. Tipos de archivos que maneja knitr. Fuente: <a href="http://www.rstudio.com/shiny/">http://www.rstudio.com/shiny/</a></div><div style="text-align: center;"><br />
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</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh910uoiZZzg2I9uv8nEXB-c2j1G9k2t_2IR2SJdt-x8OnHt1PFZpBkdfIclPqbJG6CDrMJBXKNmWgtRxjTN42yu7a9k-8bgc8a-4hmeuNj5AuAB-erMfx9Agii_XZ6EUl23l7f-9xD1CU/s1600/flujo.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh910uoiZZzg2I9uv8nEXB-c2j1G9k2t_2IR2SJdt-x8OnHt1PFZpBkdfIclPqbJG6CDrMJBXKNmWgtRxjTN42yu7a9k-8bgc8a-4hmeuNj5AuAB-erMfx9Agii_XZ6EUl23l7f-9xD1CU/s1600/flujo.png" height="439" width="640" /></a></div><div class="separator" style="clear: both; text-align: center;">Fuente: <a href="http://www.ugr.es/~genaeio/ACTAS%20III%20JORNADAS.pdf" style="font-family: Arial;">http://www.ugr.es/~genaeio/ACTAS%20III%20JORNADAS.pdf</a></div><!--?xml version="1.0" encoding="UTF-8" standalone="no"?--><br />
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<div><br />
</div><a href="http://fobos.inf.um.es/R/introknitr/introknitrd.html#22.0">Aquí</a> tienes una introducción al paquete knitr.<br />
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<div><h3>Knitr nos permite utilizar Markdown y R juntos! </h3><h4>¿Que puede hacer markdown por mi?</h4><ul><li> Quiero olvidarme del instrumento para pensar sólo en lo que estoy escribiendo</li>
<li> Quiero escribir sin preocuparme del aspecto</li>
<li> Quiero reutilizar lo que ya sé</li>
<li> Quiero índices, bibliografía, …</li>
<li> Quiero documentos ligeros</li>
<li> Quiero escribir como me convenga, para el lector lo que necesite</li>
<li> Quiero poder recortar y pegar a sin problemas</li>
<li> Quiero trabajar con mis colegas</li>
</ul><div><h4>Proceso en investigación reproducible</h4><div><ol><li>Elaboración del documento donde se auna la escritura del código y los textos necesarios. En markdonw y R la extensión del fichero es .Rmd</li>
<li>Procesado del documento por la aplicación correspondiente a lenguaje de trabajo, en nuestro caso R. Creación de un documento en el formato deseado; en nuetro caso un documento .md</li>
<li>Procesado, en su caso, del documento resultante, por ejemplo: elaboración de un documento .pdf.</li>
</ol></div><div><br />
</div><div>Para un adecuado seguimiento del trabajo, al final o el inicio, conviene añadir:</div><div><br />
</div><div><pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;">print(sessionInfo(), locale = FALSE)</pre></div></div><h2></h2><h2>Tipos de archivos que podemos generar</h2><div>En un <a href="http://rosanaferrero.blogspot.com.es/2014/04/informes-dinamicos-elegantes-rapidos-y.html">post anterior</a>, he colgado un video sobre cómo usar knitr, mediante archivos Rnw y Rmd.</div><h3>Rnw</h3><div>Descargar el archivo <a href="http://bcb.dfci.harvard.edu/~aedin/courses/ReproducibleResearch/RR/exampleSweave.Rnw">exampleSweave.rnw</a>.</div><div><ul><li>Para construir un archivo <b>tex.</b></li>
</ul><div><pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;">Sweave(file="exampleSweave.Rnw")</pre></div></div><div><ul><li>Para convertir el archivo tex a un <b>pdf</b>.</li>
</ul><div><pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;">tools::texi2dvi(file="exampleSweave.tex", pdf=TRUE)</pre></div></div><div><br />
</div><div><ul><li>Para extraer el código <b>R</b> de los trozos o módulos ("chunks").</li>
</ul><div><pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;">Stangle(file="exampleSweave.Rnw")</pre></div></div><div><ul><li>Para producir un archivo <b>html</b>.</li>
</ul></div><pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;">Sweave("filename.rnw", driver=RweaveHTML)</pre><div><br />
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<ul style="background-color: white; color: #555555; font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 18px; margin: 0.4em 0px 1em; padding: 0px;"><pre style="background-color: #eeeeee; overflow: auto; padding: 0.4em;"><code style="margin: 0px; padding: 0px;">library</code>(<code style="margin: 0px; padding: 0px;">knitr</code>)</pre><pre style="background-color: #eeeeee; overflow: auto; padding: 0.4em;"><code style="margin: 0px; padding: 0px;">knit</code>('knitr-minimal.Rnw')</pre></ul><br />
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También podemos utilizar el programa <b><a href="http://johnmacfarlane.net/pandoc/">pandoc</a></b> (conversor universal) para convertir el archivo Rnw a otros formatos:<br />
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<pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;"># system("pandoc -s exampleSweave.Rnw -o exampleSweave.pdf")
# system("pandoc -s exampleSweave.Rnw -o exampleSweave.docx")
# system("pandoc -s exampleSweave.Rnw -o exampleSweave.html")</pre><br />
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<h3>Rmd</h3><div><img src="http://www.rstudio.com/images/training/markdownChunk.png" height="613" style="background-color: white; border: 0px; color: #333333; font-family: 'Source Sans Pro', sans-serif; font-size: 15px; height: auto; line-height: 22px; max-width: 100%; vertical-align: middle;" width="725" /></div><div><span style="background-color: white; color: #555555; font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 18px;"> </span><a href="http://bcb.dfci.harvard.edu/~aedin/courses/ReproducibleResearch/example.Rmd" style="background-color: white; color: #20a3ca; font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 18px; margin: 0px; padding: 0px;">example.Rmd</a></div><br />
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<pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;"># Create mark down (.md) file
knit("example.Rmd")
knit2html("example.Rmd")
knit2pdf("example.Rmd")
</pre><div><br />
</div> manipular<br />
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<pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;">require(knitr)
# Produce the markdown (.md) file
knit("example.Rmd")
# help on the output and input formats accepted which include json, html, html5, odt, docx and epub and slide formats slidy, beamer, dzslides etc
system("pandoc -h")
# pdf file
pandoc("example.md", format="latex")
# html file
pandoc("example.md", format="html5+lhs")</pre><pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;"># OpenOffice File
pandoc("example.md", format="odt")
# Microsoft Word
pandoc("example.md", format="docx")</pre><br />
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Podemos ver el archivo Rmd de entrada <a href="http://bcb.dfci.harvard.edu/~aedin/courses/ReproducibleResearch/slides.Rmd" style="background-color: white; color: #20a3ca; font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 18px; margin: 0px; padding: 0px;">slides.Rmd</a> y el archivo html de salida <a href="http://bcb.dfci.harvard.edu/~aedin/courses/ReproducibleResearch/slides.html" style="background-color: white; color: #20a3ca; font-family: 'Lucida Grande', Helvetica, Arial, sans-serif; font-size: 12px; line-height: 18px; margin: 0px; padding: 0px;">slides.html</a><span style="color: #555555; font-family: Lucida Grande, Helvetica, Arial, sans-serif;"><span style="font-size: 12px; line-height: 18px;">.</span></span><br />
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También podemos utilizar pandoc de la siguiente manera.<br />
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<pre style="background-color: #eeeeee; color: #555555; font-size: 12px; line-height: 18px; overflow: auto; padding: 0.4em;">knit("slides.Rmd")
system("pandoc -s -S -i -t dzslides --mathjax slides.md -o slides.html")</pre><br />
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<h2>Programas relacionados con knitr</h2><div><h3>Slidify: resultados <b>html5</b></h3></div>Un paquete relacionado con knitr es Slidify (<a href="http://ramnathv.github.io/slidify/">http://ramnathv.github.io/slidify/</a>), que permite realizar presentaciones <b>html5</b> a partir de nuestros archivos Markdown.<br />
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<div>Ayuda a crear, personalizar y compartir documentos elegantes, dinámicos e interactivos a través de HTML5 - R - Markdown.</div><div><br />
</div><iframe allowfullscreen="" frameborder="0" height="360" src="//www.youtube.com/embed/I95GOmLc7TA?feature=player_embedded" width="640"></iframe><br />
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<div><br />
</div><div><h4>Referencias:</h4><a href="http://destio.us.es/calvo/images/pdfs/asig/sobreR/introduccionaR/tc_introduccionaR.html">http://destio.us.es/calvo/images/pdfs/asig/sobreR/introduccionaR/tc_introduccionaR.html</a><br />
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<div></div></div><div><span class="Apple-style-span" style="color: #687687; font-family: 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: 13px; line-height: 18px; white-space: pre-wrap;"><a href="http://rprogramming.net/create-a-slideshow-powerpoint-with-r-knitr-pandoc-and-slidy/">http://rprogramming.net/create-a-slideshow-powerpoint-with-r-knitr-pandoc-and-slidy/</a></span></div><div><span class="Apple-style-span" style="color: #687687; font-family: 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: 13px; line-height: 18px; white-space: pre-wrap;"><a href="http://bcb.dfci.harvard.edu/~aedin/courses/ReproducibleResearch/">http://bcb.dfci.harvard.edu/~aedin/courses/ReproducibleResearch/</a></span></div><!--?xml version="1.0" encoding="UTF-8" standalone="no"?--><br />
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<div><span class="Apple-style-span" style="color: #687687; font-family: 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: 13px; line-height: 18px; white-space: pre-wrap;"><a href="http://www.r-bloggers.com/slidify-things-are-coming-together-fast/">http://www.r-bloggers.com/slidify-things-are-coming-together-fast/</a></span></div><div><!--?xml version="1.0" encoding="UTF-8" standalone="no"?--><br />
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<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; font-family: Arial;"><span class="Apple-style-span" style="color: #687687; font-family: 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace; font-size: 13px; line-height: 18px; white-space: pre-wrap;"><a href="http://www.r-bloggers.com/fantastic-presentations-from-r-using-slidify-and-rcharts/">http://www.r-bloggers.com/fantastic-presentations-from-r-using-slidify-and-rcharts/</a></span></span></div><br />
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<br />
<br />
<h3> </h3><h3>Información extra que puedes necesitar.</h3><h4><ul><li>Cómo instalar Lyx-LATEX</li>
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<div><a href="http://www.ub.edu/stat/docencia/lyx/lyx.htm" style="font-family: Arial;">http://www.ub.edu/stat/docencia/lyx/lyx.htm</a></div><div><a href="http://erre-que-erre-paco.blogspot.com.es/2012/07/lyx-y-r-para-windows-en-un-disco.html">http://erre-que-erre-paco.blogspot.com.es/2012/07/lyx-y-r-para-windows-en-un-disco.html</a></div></div><h4><ul><li>Diferencias entre Sweave y Knitr</li>
</ul></h4><div><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px;"><a href="http://yihui.name/knitr/demo/sweave/" style="font-family: Arial;">http://yihui.name/knitr/demo/sweave/</a></span></div><div><a href="http://gforge.se/2012/08/getting-started-with-knitr-and-sweave/">http://gforge.se/2012/08/getting-started-with-knitr-and-sweave/</a></div><div><br />
</div><div><h4><ul><li>Instalación de Pandoc</li>
</ul></h4><div>Los usuarios de Windows están de suerte. Instalar Pandoc en Windows ahora es muy fácil. Se puede hacer desde R con el paquete installr. Una vez instalado este paquete en R, ejecutaremos la instrucción</div><div><br />
</div><div><pre style="background-color: #eeeeee; overflow: auto; padding: 0.4em;"><span style="color: #555555;"><span style="font-size: 12px; line-height: 18px;">library(installr)
install.pandoc()</span></span><span style="color: #555555; font-size: 12px; line-height: 18px;">
</span></pre></div><div><br />
</div></div><div><!--?xml version="1.0" encoding="UTF-8" standalone="no"?--><br />
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<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; font-family: Arial;"><span class="Apple-style-span" style="font-family: Galdeano, 'Hiragino Sans GB', 'Microsoft YaHei', Trebuchet, 'Trebuchet MS', Tahoma, 'Lucida Grande', 'Lucida Sans Unicode', Verdana, sans-serif; font-size: 16px; line-height: 24px;"><a href="http://www.r-bloggers.com/installing-pandoc-from-r-on-windows/">http://www.r-bloggers.com/installing-pandoc-from-r-on-windows/</a></span></span></div><div><br />
</div><h4><ul><li><span style="font-family: Arial;">Utilizar pander: el paquete Pandoc en R</span></li>
</ul></h4><div><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; font-family: Arial;"><a href="http://rapporter.github.io/pander/">http://rapporter.github.io/pander/</a></span></div><div><br />
</div></div>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-17265308207228806302014-05-30T02:25:00.000-07:002014-06-04T02:36:13.236-07:00Mendeley: gestor de referencias bibliográficas, interfaz con Word y citas-Web<h3></h3><h3>¿Qué es Mendeley? Free reference manager and PDF organizer</h3><b><a href="http://www.mendeley.com/en/1/1/">Mendeley</a></b> está formado por un gestor de referencias bibliográficas (Mendeley Desktop, versión local) y una red social académica (Mendeley web, versión web). Por tanto, permite encontrar, gestionar y compartir documentos de investigación y colaborar en línea con otros investigadores.<br />
<br />
<div><br />
</div><h3>Principales ventajas</h3><div><div><ul><li>Crear carpetas</li>
<li>Añadir referencias manualmente, mediante web o pdf.</li>
<li>Completar datos bibliográficos a mano o ayudarnos con Google Scholar.</li>
<li>Insertar referencias en Word (con diversos estilos).</li>
<li>Editar y clasificar los documentos (girar, eliminar duplicados, etc.).</li>
<li>Resaltar y realizar anotaciones; y exportarlas.</li>
<li>Buscar duplicados</li>
<li>Sincronizar con Mendeley web</li>
<li>Importar citas desde la web</li>
<li>Trabajar con los documentos</li>
<li>Elegir el estilo de la cita bibliográfica.</li>
</ul></div><div></div></div><div>Les recomiendo mirar el <a href="http://www.slideshare.net/jalonsoarevalo/mendeley-13604013">tutorial</a> de Julio Alonso de la Universidad de Salamanca y la <a href="http://www.slideshare.net/mrodote3/mendeley-guia-de-uso-actualizacin-febrero-2012">guía de uso</a> de Carmen Rodríguez (ver debajo).<br />
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<div style="text-align: center;"><iframe allowfullscreen="" frameborder="0" height="356" marginheight="0" marginwidth="0" scrolling="no" src="http://www.slideshare.net/slideshow/embed_code/11687681" style="border-width: 1px 1px 0; border: 1px solid #CCC; margin-bottom: 5px; max-width: 100%;" width="427"> </iframe> </div><div style="margin-bottom: 5px;"><strong> <a href="https://www.slideshare.net/mrodote3/mendeley-guia-de-uso-actualizacin-febrero-2012" target="_blank" title="Mendeley guia de uso (actualización febrero 2012)">Mendeley guia de uso (actualización febrero 2012)</a> </strong> from <strong><a href="http://www.slideshare.net/mrodote3" target="_blank">Carmen Rodríguez Otero</a></strong> </div></div><div><div class="separator" style="clear: both; text-align: center;"><br />
</div></div><div><div><h3>Comparación de softwares de manejo de referencias.</h3><div>Desarrollado por <a href="http://en.wikipedia.org/wiki/Elsevier" style="background-color: #f9f9f9; background-image: none; color: #0b0080; font-family: sans-serif; font-size: 12px; line-height: 18px; text-align: center; text-decoration: none;" title="Elsevier">Elsevier</a> se trata de un software que no es de acceso libre (si gran contra), pero ofrece 2 GB de espacio online y gratuito para nuestros documentos (a diferencia de los 300 MB que ofrece Zotero) y trabaja con Windows, Linux, OS X, iPhone & iPad (ver <a href="http://en.wikipedia.org/wiki/Comparison_of_reference_management_software">comparación con otros softwares</a>).</div><div><h3></h3><div><div><h3><a href="http://support.mendeley.com/">Soporte</a></h3><ul><li>Importar documentos</li>
<li>Generar citas</li>
<li>Organizar tu librería</li>
<li>Grupos públicos y privados en Mendeley</li>
<li>Crear tu perfil Mendeley</li>
</ul><div><br />
</div></div></div><h3><span style="box-sizing: border-box; color: black; font-size: large; text-decoration: none;"><a href="http://resources.mendeley.com/####" style="box-sizing: border-box; color: black; text-decoration: none;">Videos & Tutorials</a></span></h3><div style="background-color: white; box-sizing: border-box; color: #474747; font-family: Helvetica, Arial, Tahoma, sans-serif; line-height: 1.5; margin-top: 1em;">Learn quickly how to use Mendeley features with these short videos, tips and tricks.</div><a class="float-right" href="http://resources.mendeley.com/Videos/" style="box-sizing: border-box; color: #a70805; float: right; text-decoration: none;">View all videos <span style="font-size: 1.4em;">→</span></a><br />
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<hr class="vertical-space" style="background-color: white; border-bottom-width: 0px; border-left-width: 0px; border-right-width: 0px; border-top-color: rgb(238, 238, 238); border-top-style: solid; box-sizing: border-box; color: #474747; font-family: Helvetica, Arial, Tahoma, sans-serif; font-size: 10px; margin: 1.5em 0px;" /><ul class="video-thumbs column-group gutters" style="background-color: white; box-sizing: border-box; clear: both; color: #474747; font-family: Helvetica, Arial, Tahoma, sans-serif; font-size: 10px; line-height: 1.4; margin: 1em 0px 0px -1.5em; padding: 0px; zoom: 1;"><li class="large-33 medium-50 small-100" style="box-sizing: border-box; float: left; list-style-type: none; margin: 0px 0px 1.5em; padding-left: 1.5em; width: 373px; zoom: 1;"><figure style="box-sizing: border-box; margin: 0px; position: relative;"><a class="importing-docs" href="http://resources.mendeley.com/#" style="box-sizing: border-box; color: #a70805; text-decoration: none;"><div class="video-overlay" style="background-attachment: scroll; background-color: #444444; background-image: url(http://resources.mendeley.com/img/videos/overlay.png); background-position: 105px 54px; background-repeat: no-repeat no-repeat; bottom: 3px; box-sizing: border-box; height: 169px; left: 3px; opacity: 0.6; position: absolute; right: 3px; top: 3px; width: 277px;"></div><img alt="" src="http://resources.mendeley.com/img/videos/img-importing.png" height="175" style="border: 3px solid rgb(238, 238, 238); box-sizing: border-box; margin-bottom: 0px; margin-top: 0px; max-height: 100%; max-width: 100%; vertical-align: top; width: auto;" width="285" /></a></figure><h5 style="box-sizing: border-box; color: black; font-size: 1.4em; line-height: 1.3; margin: 1.5em 0px 0px;"><a class="importing-docs" href="http://resources.mendeley.com/#" style="box-sizing: border-box; color: #a70805; text-decoration: none;">How to import your documents (2:05)</a></h5><div style="box-sizing: border-box; font-size: 1.4em; line-height: 1.5; margin-top: 1em;">A quick tutorial on how to import documents and references into your library.</div></li>
<li class="large-33 medium-50 small-100" style="box-sizing: border-box; float: left; list-style-type: none; margin: 0px 0px 1.5em; padding-left: 1.5em; width: 373px; zoom: 1;"><figure style="box-sizing: border-box; margin: 0px; position: relative;"><a class="organizing-your-docs" href="http://resources.mendeley.com/#" style="box-sizing: border-box; color: #a70805; text-decoration: none;"><div class="video-overlay" style="background-attachment: scroll; background-color: #444444; background-image: url(http://resources.mendeley.com/img/videos/overlay.png); background-position: 105px 54px; background-repeat: no-repeat no-repeat; bottom: 3px; box-sizing: border-box; height: 169px; left: 3px; opacity: 0.6; position: absolute; right: 3px; top: 3px; width: 277px;"></div><img alt="" src="http://resources.mendeley.com/img/videos/img-organize.png" height="175" style="border: 3px solid rgb(238, 238, 238); box-sizing: border-box; margin-bottom: 0px; margin-top: 0px; max-height: 100%; max-width: 100%; vertical-align: top; width: auto;" width="285" /></a></figure><h5 style="box-sizing: border-box; color: black; font-size: 1.4em; line-height: 1.3; margin: 1.5em 0px 0px;"><a class="organizing-your-docs" href="http://resources.mendeley.com/#" style="box-sizing: border-box; color: #a70805; text-decoration: none;">How to organize your documents (3:10)</a></h5><div style="box-sizing: border-box; font-size: 1.4em; line-height: 1.5; margin-top: 1em;">A walk through the Mendeley interface and how to organize documents within your library.</div></li>
<li class="large-33 medium-50 small-100" style="box-sizing: border-box; float: left; list-style-type: none; margin: 0px 0px 1.5em; padding-left: 1.5em; width: 373px; zoom: 1;"><figure style="box-sizing: border-box; margin: 0px; position: relative;"><a class="generating-citations" href="http://resources.mendeley.com/#" style="box-sizing: border-box; color: #a70805; text-decoration: none;"><div class="video-overlay" style="background-attachment: scroll; background-color: #444444; background-image: url(http://resources.mendeley.com/img/videos/overlay.png); background-position: 105px 54px; background-repeat: no-repeat no-repeat; bottom: 3px; box-sizing: border-box; height: 169px; left: 3px; opacity: 0.6; position: absolute; right: 3px; top: 3px; width: 277px;"></div><img alt="" src="http://resources.mendeley.com/img/videos/img-citations.png" height="175" style="border: 3px solid rgb(238, 238, 238); box-sizing: border-box; margin-bottom: 0px; margin-top: 0px; max-height: 100%; max-width: 100%; vertical-align: top; width: auto;" width="285" /></a></figure><h5 style="box-sizing: border-box; color: black; font-size: 1.4em; line-height: 1.3; margin: 1.5em 0px 0px;"><a class="generating-citations" href="http://resources.mendeley.com/#" style="box-sizing: border-box; color: #a70805; text-decoration: none;">How to generate citations (2:11)</a></h5><div style="box-sizing: border-box; font-size: 1.4em; line-height: 1.5; margin-top: 1em;">How to install and generate citations with our MS Word and LibreOffice Plug-ins.</div></li>
</ul><a href="https://www.blogger.com/blogger.g?blogID=2023055697111816006"></a><br />
<br />
<br />
<br />
<blockquote></blockquote></div></div></div>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-40750789931077737512014-05-29T02:24:00.000-07:002014-06-04T02:36:31.557-07:00Logo, vuelve la tortuga con TurtleGraphics en R!<div>No pude contenerme. Navegando en busca de ampliar algunas herramientas de <a href="http://www.r-project.org/">R</a>, me he topado con este proyecto que me ha recordado mi niñez. Se trata del paquete <span style="background-color: white; color: #555555; font-family: Arial, Helvetica, sans-serif; font-size: 14px; line-height: 21px;"> </span><code style="background-color: white; border: 0px; color: #555555; font-family: monospace, serif; font-size: 14px; line-height: 21px; margin: 0px; padding: 0px; vertical-align: baseline;"><a href="http://www.rexamine.com/resources/TurtleGraphics/">TurtleGraphics</a> </code>que acerca a R el programa <a href="http://es.wikipedia.org/wiki/Logo_(lenguaje_de_programaci%C3%B3n)">Logo</a>. Logo es un lenguaje de programación creado por los años sesenta y que sirve para trabajar con niños y jóvenes dado que es muy sencillo. Recuerdo conocerlo gracias al profesor de informática de la escuela cuando era muy pequeña; era aquella tortuga que hacíamos girar y crear mandalas con algunas pequeñas órdenes. Bueno, la tortuga ha dado el salto y ya está en R! me parece genial esta oportunidad de acercar el lenguaje de programación a los niños y además enseñarles programas con tanto potencial como R.</div><div><br />
</div><div>Aquí tienen un manual <a href="https://github.com/Rexamine/TurtleGraphics/blob/master/vignettes/TurtleGraphics.pdf?raw=true">Paso a Paso </a>para aprender a manejar esta tortuga en R. Con una lista de órdenes sencillas podemos crear gráficos como el siguiente:</div><div><br />
</div><div><div class="separator" style="clear: both; text-align: center;"><a href="http://www.rexamine.com/wordpress/wp-content/uploads/2014/05/tree.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em; text-align: center;"><img border="0" src="http://www.rexamine.com/wordpress/wp-content/uploads/2014/05/tree.png" height="317" width="400" /></a></div><div></div><div><br />
</div><div><br />
</div><div>Aquí les copio algunos <a href="http://es.wikipedia.org/wiki/Logo_(lenguaje_de_programaci%C3%B3n)">beneficios de enseñar Logo a los niños</a>:</div><blockquote class="tr_bq">Fundamentalmente consiste en presentar a los niños retos intelectuales que puedan ser resueltos mediante el desarrollo de programas en Logo. El proceso de revisión manual de los errores contribuye a que el niño desarrolle habilidades metacognitivas al poner en práctica procesos de autocorrección. Es conocido por poder manejar con facilidad gráficas tortuga, listas, archivos y recursividad<br />
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instalaciones conocidas en el lenguaje de programación Logo. La idea clave detrás del paquete es animar a los niños a aprender a programar y demostrar que el trabajo con los ordenadores puede ser divertido y creativo. </blockquote></div><div><div><br />
</div><div>Sobre el paquete <span style="background-color: white; color: #555555; font-family: Arial, Helvetica, sans-serif; font-size: 14px; line-height: 21px;"> </span><code style="background-color: white; border: 0px; color: #555555; font-family: monospace, serif; font-size: 14px; line-height: 21px; margin: 0px; padding: 0px; vertical-align: baseline;"><a href="http://www.rexamine.com/resources/TurtleGraphics/">TurtleGraphics</a>: </code></div><blockquote class="tr_bq">El paquete TurtleGraphics permite crear gráficos simples o más sofisticados sobre la base de líneas. La tortuga, descrito por su ubicación y orientación, se mueve con comandos que están en relación con su posición. La línea que deja tras de sí se puede controlar mediante la desactivación o estableciendo su color y tipo.<br />
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El paquete TurtleGraphics ofrece funciones para avanzar o retroceder por una distancia determinada y girar la tortuga por un ángulo elegido. Distintas opciones de gráficos, por ejemplo, el color, el tipo o la visibilidad de la línea, también se pueden cambiar fácilmente. </blockquote></div><div class="separator" style="clear: both; text-align: center;"><a href="http://www.rexamine.com/wordpress/wp-content/uploads/2014/05/koch.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://www.rexamine.com/wordpress/wp-content/uploads/2014/05/koch.png" height="317" width="400" /></a></div><div class="separator" style="clear: both; text-align: center;"><span style="text-align: start;">Le recomendamos que lo pruebes tú mismo. Disfrutar y divertirse!</span></div><div><br />
</div>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-21900584894300471902014-04-20T08:48:00.002-07:002014-06-04T02:15:09.736-07:00Educación virtual gratis<br />
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<b>¿Utopía o futuro?</b></div>
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Los MOOC (<i>Massive Opening Online Courses</i>) permiten acceder a cursos de capacitación a la carta y a la actualización de nuestra formación, muchas veces no satisfecha por las universidades pero imprescindible para acceder a un empleo.<br />
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Las plataformas online de educación permiten acceder a universidades de prestigio (e.g. Harvard, Yale, Stanford, Princeton) con cursos sobre temáticas muy variadas y de manera gratuita (ahora mismo los cursos son gratuitos y se cobra por la certificación). </div>
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Las principales características de estos cursos son:<br />
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<li>No tener limitación en las matriculaciones.</li>
<li>Poder ser seguido online.</li>
<li>De carácter abierto y gratuito. Con materiales accesibles de forma gratuita</li>
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Con los MOOC se pasa de llegar a 2.500 funcionarios a 30 millones, dice el BID (ver<i> <a href="http://economia.elpais.com/economia/2014/03/28/actualidad/1396022808_591384.html">Los cursos masivos saltan a la empresa</a></i>). Sin embargo, muchos señalan que el abandono de los materiales virtuales es muy alta (ver <i><a href="http://economia.elpais.com/economia/2014/01/10/actualidad/1389360489_728192.html?rel=rosEP">La deserción puede con los cursos ‘online’</a></i>), en parte porque estos cursos "hacen de la motivación del alumno su razón de ser".</div>
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<a href="https://www.coursera.org/courses">https://www.coursera.org/courses</a><br />
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<a href="https://www.udacity.com/">https://www.udacity.com</a></div>
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<a href="https://www.edx.org/">https://www.edx.org</a></div>
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Por ejemplo, les recomiendo el siguiente curso:</div>
<div>
<br />
<a href="https://class.coursera.org/4dimensions-003/">Climate Change in Four Dimensions</a><br />
by Charles Kennel, PhD, Naomi Oreskes, PhD, Veerabhadran Ramanathan, PhD, Richard Somerville, PhD, Dr. David G. Victor</div>
</div>
</div>
Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-44518668738115753642014-04-17T09:48:00.000-07:002014-06-04T02:15:19.496-07:00CURSOS DE ESTADÍSTICA CON SPSS<br />
Algunos cursos de SPSS que he impartido y que puede que próximamente estén disponibles.<br />
Para más información contactar vía mail a <a href="mailto:rferrero@ias.csic.es">rferrero@ias.csic.es</a>.<br />
<br />
<br />
<br />
<br />
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<a href="http://es.scribd.com/doc/218835013/CursoBasicoSPSS" style="text-decoration: underline;" title="View CursoBasicoSPSS on Scribd">CursoBasicoSPSS</a> by <a href="http://www.scribd.com/aletheia_aiehtela" style="text-decoration: underline;" title="View aletheia_aiehtela's profile on Scribd">aletheia_aiehtela</a></div>
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<br />Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com1tag:blogger.com,1999:blog-7470725693432942783.post-77995009783123552312014-04-09T03:47:00.004-07:002014-04-09T03:47:56.546-07:00Nueva base de datos de redes ecológicasLa <a href="http://www.web-of-life.es/">Web of Life</a> proporciona una interfaz gráfica, basada en Google Maps, para una fácil visualización y descarga de datos de redes ecológicas. Los datos se pueden descargar en varios formatos.<br />
<i><br /></i>
<i>Graphical user interface for easily visualizing and downloading data on ecological networks of species interactions.</i><span style="background-color: #f5f8fa; color: #292f33; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; line-height: 18px; white-space: pre-wrap;"> </span><span style="color: #009999; font-family: Helvetica Neue, Helvetica, Arial, sans-serif;"><span class="tco-ellipsis" style="background-color: #f5f8fa; font-size: 14px; line-height: 18px; white-space: pre-wrap;"></span></span><a class="twitter-timeline-link" data-expanded-url="http://www.web-of-life.es" dir="ltr" href="http://t.co/olohKgjdzX" rel="nofollow" style="background-color: #f5f8fa; color: #009999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; line-height: 18px; text-decoration: none; white-space: pre-wrap;" target="_blank" title="http://www.web-of-life.es"><span class="invisible" style="background-color: #f5f8fa; color: #009999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 0px; line-height: 0; text-decoration: none; white-space: pre-wrap;">http://www.</span><span class="js-display-url" style="background-color: #f5f8fa; color: #009999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; line-height: 18px; text-decoration: none; white-space: pre-wrap;">web-of-life.es</span><span style="color: #009999; font-family: Helvetica Neue, Helvetica, Arial, sans-serif;"><span class="invisible" style="background-color: #f5f8fa; font-size: 0px; line-height: 0; line-height: 0; white-space: pre-wrap;"></span></span><span class="tco-ellipsis" style="background-color: #f5f8fa; color: #009999; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; line-height: 18px; text-decoration: none; white-space: pre-wrap;"><span class="invisible" style="font-size: 0px; line-height: 0;"> </span></span></a><br />
<br />
The <a href="http://www.web-of-life.es/">Web of Life</a> provides a graphical user interface, based on Google Maps, for easily visualizing and downloading data on ecological networks of species interactions. It is designed and implemented in a relational database management system, allowing sophisticated and user-friendly searching across networks. Users can access the database by any web browser using a variety of operating systems. Data can be downloaded in several common formats, and a data transmission webservice in JavaScript Object Notation is also provided. This project is supported by a European Research Council's Advanced Grant. It is intended to share data with the scientific community as we have been doing since the publication of our first papers on mutualistic networks. We have cleaned, corrected and updated our data set on mutualistic networks and plan on uploading new datasets on host-parasite, plant-herbivore, food webs, and others.Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-58515457352439902742014-03-31T03:30:00.000-07:002014-03-31T03:30:05.457-07:00Cambio Climático 2014. Impacto, adaptación y vulnerabilidad. IPCC<a href="http://www.ipcc.ch/">http://www.ipcc.ch</a><br />
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<span style="font-family: 'ArialMT'; font-size: 11.000000pt;">YOKOHAMA (Japón), 31 de marzo – El Grupo Intergubernamental de Expertos sobre el Cambio
Climático (IPCC) publicó hoy un informe en el que se afirma que los efectos del cambio climático ya
se están produciendo en todos los continentes y en los océanos. El mundo, en muchos casos, está
poco preparado para los riesgos del cambio climático. En el informe también se llega a la
conclusión de que es posible luchar contra esos riesgos, aunque serán difíciles de controlar con
niveles elevados de calentamiento.
</span><br />
<span style="font-family: 'ArialMT'; font-size: 11.000000pt;">En el informe del Grupo de trabajo II del IPCC, titulado </span><span style="font-family: 'Arial'; font-size: 11.000000pt; font-style: italic;">Cambio Climático 2014. Impacto,
adaptación y vulnerabilidad, </span><span style="font-family: 'ArialMT'; font-size: 11.000000pt;">se detallan el impacto del cambio climático hasta la fecha, los riesgos
futuros que se derivan de él y las posibles medidas efectivas con las que reducir esos riesgos. Para
preparar el informe se seleccionaron en total 309 autores principales coordinadores, autores
principales y editores-revisores procedentes de 70 países, que a su vez solicitaron la ayuda de 436
autores contribuyentes y un total de 1 729 revisores expertos y gubernamentales. </span><br />
<span style="font-family: 'ArialMT'; font-size: 11.000000pt;"><br /></span>
<span style="font-family: 'ArialMT'; font-size: 11.000000pt;">Comunicado de prensa en español: </span><a href="http://www.ipcc.ch/pdf/ar5/pr_wg2/140331_pr_wgII_es.pdf">http://www.ipcc.ch/pdf/ar5/pr_wg2/140331_pr_wgII_es.pdf</a><br />
</div>
Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-13989423050722329192014-03-31T02:27:00.001-07:002014-06-04T02:15:34.104-07:00CURSO DE ANÁLISIS MULTIVARIANTE EN R: APLICACIÓN EN ECOLOGÍA<h2 id="toc3" style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 1.3em; margin: 0px; padding: 5px 0px 0px;">
CURSO</h2>
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ANÁLISIS MULTIVARIANTE EN R: APLICACIÓN EN ECOLOGÍA</h2>
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<span style="background-color: white; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;">Desde el 26 al 28 de marzo del 2014 se realizó el siguiente curso en el IAS-CSIC de Córdoba. </span><span style="background-color: white; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;">Iré colgando algunos de los materiales del curso para todo aquel que esté interesado. Saludos!</span></div>
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<span style="background-color: white; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;">PD: Para el curso se ha creado la wiki: </span><a href="http://statisticalecology.wikispaces.com/">http://statisticalecology.wikispaces.com</a>. </div>
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Introducción</h2>
<br style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;" />
<span style="background-color: white; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;">Los análisis multivariantes nos permiten estudiar, analizar, representar e interpretar los datos que resultan de un conjunto de variables sobre una muestra de casos (o individuos). En los últimos años se han popularizado con el nombre de </span><em style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;">minería de datos</em><span style="background-color: white; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;">, nombre que indica la capacidad de estas técnicas para extraer información a partir de una gran cantidad de datos como materia prima. En este curso se presentarán los principales método de análisis multivariante con su aplicación en R, y utilizando ejemplos aplicados en Ecología.</span><br />
<h1 id="toc4" style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 1.4em; margin: 0px; padding: 5px 0px 0px;">
</h1>
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<a href="https://www.blogger.com/blogger.g?blogID=7470725693432942783" name="Requisitos previos" style="background-color: transparent; background-position: initial initial; background-repeat: initial initial; box-sizing: border-box;"></a><strong style="box-sizing: border-box;">Requisitos previos</strong></h1>
<span style="background-color: white; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;">Para realizar este curso es necesario tener conocimientos de estadística básica y de su aplicación computacional en R.</span><br />
<h1 id="toc6" style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 1.4em; margin: 0px; padding: 5px 0px 0px;">
</h1>
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<a href="https://www.blogger.com/blogger.g?blogID=7470725693432942783" name="Objetivos del curso" style="background-color: transparent; background-position: initial initial; background-repeat: initial initial; box-sizing: border-box;"></a><strong style="box-sizing: border-box;">Objetivos del curso</strong></h1>
<ol style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px; margin: 0.5em 0px 0px; padding: 0px 0px 0px 3em;">
<li style="box-sizing: border-box;">Conocer los objetivos y fundamentos teóricos imprescindibles (modelos, hipótesis, supuestos) de las técnicas estadísticas multivariantes más importantes (Análisis de Componentes Principales,Análisis Discriminante, Análisis Cluster; Análisis de Correspondencias, etc.).</li>
<li style="box-sizing: border-box;">Obtener una destreza fluida en su aplicación en R.</li>
<li style="box-sizing: border-box;">Resolver casos reales, detectando la/s técnica/s multivariante/s más adecuada/s; validando los supuestos del/de los modelos; y la interpretación/discusión de los resultados obtenidos.</li>
</ol>
<h1 id="toc8" style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 1.4em; margin: 0px; padding: 5px 0px 0px;">
</h1>
<h1 id="toc9" style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 1.4em; margin: 0px; padding: 5px 0px 0px;">
<a href="https://www.blogger.com/blogger.g?blogID=7470725693432942783" name="Programa" style="background-color: transparent; background-position: initial initial; background-repeat: initial initial; box-sizing: border-box;"></a><strong style="box-sizing: border-box;">Programa</strong></h1>
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<li style="box-sizing: border-box;">Día 1 (7:30 horas)<ul style="box-sizing: border-box; margin: 0.5em 0px 0px; padding: 0px 0px 0px 3em;">
<li style="box-sizing: border-box;">Introducción al análisis multivariante y estadística descriptiva multivariante.</li>
<li style="box-sizing: border-box;">Análisis de conglomerados (Cluster) y árboles de regresión multivariada (MRT).</li>
<li style="box-sizing: border-box;">Análisis Discriminante (DA).</li>
</ul>
</li>
<li style="box-sizing: border-box;">Día 2 (7:30 horas)<ul style="box-sizing: border-box; margin: 0.5em 0px 0px; padding: 0px 0px 0px 3em;">
<li style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Análisis de Correspondencias: Simple y múltiple (CA), sin tendencia (DCA), parcial (pCA) y canónico (CCA).</span></li>
<li style="box-sizing: border-box;">Análisis de Componentes Principales (PCA) y Análisis de redundancia (RDA)</li>
</ul>
</li>
<li style="box-sizing: border-box;">DÍA 3 (5 horas)<ul style="box-sizing: border-box; margin: 0.5em 0px 0px; padding: 0px 0px 0px 3em;">
<li style="box-sizing: border-box;">Pruebas para diferencias multivariadas entre grupos (MANOVA, MRPP, ANOSIM, NPMANOVA, MANTEL)</li>
<li style="box-sizing: border-box;">Escalamiento multidimensional métrico (PCoA) y no métrico (NMDS)</li>
<li style="box-sizing: border-box;">Discusión de otras técnicas multivariantes.</li>
</ul>
</li>
</ol>
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<br />
<h2 id="toc10" style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 1.3em; margin: 0px; padding: 5px 0px 0px;">
<a href="https://www.blogger.com/blogger.g?blogID=7470725693432942783" name="Programa-Bibliografía" style="background-color: transparent; background-position: initial initial; background-repeat: initial initial; box-sizing: border-box;"></a>Bibliografía</h2>
<br style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;" />
<h3 id="toc11" style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 1.1em; margin: 0px; padding: 5px 0px 0px;">
<a href="https://www.blogger.com/blogger.g?blogID=7470725693432942783" name="Programa-Bibliografía-Básica" style="background-color: transparent; background-position: initial initial; background-repeat: initial initial; box-sizing: border-box;"></a>Básica</h3>
<ul style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px; margin: 0.5em 0px 0px; padding: 0px 0px 0px 3em;">
<li style="box-sizing: border-box;">Zuur, A. F., Ieno, E. N., & Smith, G. M. (2007). <em style="box-sizing: border-box;">Analysing ecological data</em> (Vol. 680). New York: Springer.</li>
<li style="box-sizing: border-box;">Borcard, D., Gillet, F., & Legendre, P. (2011). <em style="box-sizing: border-box;">Numerical ecology with R</em>. Springer.</li>
<li style="box-sizing: border-box;">McGarigal, K., Cushman, S., & Stafford, S. G. (2000). <em style="box-sizing: border-box;">Multivariate statistics for wildlife and ecology research.</em> Springer.</li>
<li style="box-sizing: border-box;">Oksanen, J. (2011). <em style="box-sizing: border-box;">Multivariate analysis of ecological communities in R: vegan tutorial</em>. R package version, 2-0.</li>
</ul>
<br style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px;" />
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<a href="https://www.blogger.com/blogger.g?blogID=7470725693432942783" name="Programa-Bibliografía-Complementaria" style="background-color: transparent; background-position: initial initial; background-repeat: initial initial; box-sizing: border-box;"></a>Complementaria</h3>
<ul style="background-color: white; box-sizing: border-box; font-family: arial, helvetica, sans-serif; font-size: 13px; line-height: 19px; margin: 0.5em 0px 0px; padding: 0px 0px 0px 3em;">
<li style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Everitt, B., & Hothorn, T. (2011). </span><em style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">An introduction to applied multivariate analysis with R.</span></em><span style="box-sizing: border-box; line-height: 1.5;"> Springer.</span></li>
<li style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Everitt, B. S. (2006). </span><em style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">An R and S-PLUS® companion to multivariate analysis.</span></em><span style="box-sizing: border-box; line-height: 1.5;"> Springer.</span></li>
<li style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Husson, F., Pagès, J., & Lê, S. (2010). </span><em style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Exploratory multivariate analysis by example using R.</span></em><span style="box-sizing: border-box; line-height: 1.5;"> AMC, 10, 12.</span></li>
<li style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Härdle, W., & Simar, L. (2007). </span><em style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Applied multivariate statistical analysis</span></em><span style="box-sizing: border-box; line-height: 1.5;"> (Vol. 22007). Berlin: Springer.</span></li>
<li style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Lepš, J., & Šmilauer, P. (2003). </span><em style="box-sizing: border-box;"><span style="box-sizing: border-box; line-height: 1.5;">Multivariate analysis of ecological data using CANOCO</span></em><span style="box-sizing: border-box; line-height: 1.5;">. Cambridge university press.</span></li>
<li style="box-sizing: border-box;">Hair, Jr., William C. Black. Barry J. Babin, Rolph E. Anderson. (2010). <em style="box-sizing: border-box;">Multivariate Data Analysis</em> (7th Edition). Pearson Prentice Hall.</li>
<li style="box-sizing: border-box;">Peña, D. (2002). <em style="box-sizing: border-box;">Análisis de datos multivariantes</em>. McGraw Hill.</li>
</ul>
Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com1tag:blogger.com,1999:blog-7470725693432942783.post-68673015551709920602013-10-11T04:34:00.000-07:002014-06-04T02:15:43.807-07:00Conferencias: discutir cuestiones estadísticas, problemas y soluciones en la investigación agrícola.<h2>
Lista de Conferencias sobre estadística aplicada a la investigación agrícola</h2>
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<h2>
Symposium--Crop Yield Gap Assessment for Global Food Security</h2>
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<a href="https://scisoc.confex.com/crops/2013am/webprogram/Session11647.html">https://scisoc.confex.com/crops/2013am/webprogram/Session11647.html</a><br />
<br />
<b> Oral Session </b>
<br />
<br />
Special Sessions
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<br />
Growing demand for food in the coming decades asks for an substantial
increase of the current global crop production. Given limited land
suitable for crop production achieving highest possible yields on
existing farm land is the only feasible solution to ensure food security
while protecting carbon- and biodiversity-rich rainforests, wetlands,
and grasslands. Quantifying the size of current exploitable yield gaps —
the difference between current farm yields and yield potential —
provides the basis for identifying regions best suited for agricultural
intensification and helps to prioritize investments in agricultural
research and development. This symposium will focus on opportunities to
improve methods for quantifying yield gaps at local to global scales,
and how to use and interpret yield gap assessment data. Two half-day
sessions are proposed. The first half-day session will provide a general
overview about the needs for yield gap assessments and recent advances
in developed methods to estimate them, including choice of weather, soil
and management data and crop models, validation of crop yield potential
estimates, and up-scaling from local to national levels. The second
half-day session will focus on case studies of yield gap analysis from
data-rich regions such as USA and Europe, but also from data-poor
regions such as Africa and Asia, encompassing cropping systems across a
wide range of climatic, technological, and social conditions. The
session will end with a summary presentation about progress in methods
used for yield gap assessments and how to interpret the results that
emerge from earlier presentations, followed by an open discussion.
<br />
Cosponsor(s):<br />
Agronomic Production Systems, Global Agronomy <br />
<div class="datetime">
Tuesday, November 5, 2013: 8:45 AM-5:00 PM</div>
<div class="location">
Tampa Convention Center, Room 22 and 23</div>
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<h2>
ICAS-VI</h2>
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International Conference on Agricultural Statistics VI</h1>
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<span class="Apple-style-span" style="font-family: Times; font-size: small; font-weight: normal; line-height: normal;"><a href="http://eventos.ibge.gov.br/en/icas2013/programa-da-conferencia/agenda-da-conferencia">http://eventos.ibge.gov.br/en/icas2013/programa-da-conferencia/agenda-da-conferencia</a></span></h2>
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23-25 October 2013, Rio de Janeiro, Brazil</h2>
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<b>The Sixth International Conference on Agricultural Statistics (ICAS-VI), conducted under the auspices of the ISI Committee on Agricultural Statistics is hosted by the Brazilian Institute for Geography and Statistics (IBGE).</b></div>
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The conference will convene senior agricultural statisticians from all over the world, mainly representatives from national statistical offices and ministries of agriculture. The conference is open to all producers, suppliers, trainers and users of agricultural statistics, such as economists, statisticians, researchers, analysts and decision-makers from government entities, the academia, development partners and international organizations. It is as well open to the private sector, including the business community.</div>
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The Organizing Committee of ICAS-VI is chaired by the IBGE, while the Scientific Program Committee is co-chaired by the IBGE and the United States Department of Agriculture (USDA).<br />
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The theme of the conference is “Improving Statistics for Food Security, Sustainable Agriculture, and Rural Development. Linking statistics with decision making”.</div>
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Before the Conference, USDA will organize two-day training sessions for young statisticians from developing countries. More detailed information about the conference, including list of sessions, can be found at the<a class="external-link-new-window" href="http://eventos.ibge.gov.br/en/icas2013" style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; color: #004673; font-family: Arial, sans-serif; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; text-decoration: none;" target="_blank">conference website</a>.</div>
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<center style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; color: #483a2d; font-family: Arial, Helvetica, sans-serif; font-size: 13px; line-height: 17px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">
<strong style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">ICAS-VI<br style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />Rio de Janeiro, Brazil<br style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;" />23-25 October 2013</strong></center>
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The International Conference on Agricultural Statistics (ICAS) is organized every three years, starting from 1998, under the auspices of the International Statistical Institute (ISI) Committee on Agricultural Statistics. The Conference convenes senior agricultural statisticians from all over the world, mainly representatives from national statistical offices and ministries of agriculture. ICAS Conferences are open to all producers, suppliers, trainers and users of Agricultural Statistics, such as economists, statisticians, agronomists, researchers, analysts and decision-makers from government entities, the academia, development partners and international organisations. They are as well open to the private sector, including the business community. One of the objectives of the next Conference is to broaden the participation, involving more widely the academic and research community working on statistical issues related to agriculture.</div>
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The first five ICAS conferences have been instrumental in the efforts to improve the quality of agricultural statistics worldwide. Discussions have focused on providing information to monitor poverty related development programmes, particularly in low income countries. A major outcome of recent conferences was a growing awareness that the quality of agricultural statistics was declining. Furthermore, there was widespread recognition that new issues such as food security, environmental sustainability, and rural development bring new demands for better statistics. This growing concern resulted in the development of the Global Strategy to Improve Agricultural and Rural Statistics and of the Action Plan for its implementation — both unanimously endorsed by the UN Statistical Commission.</div>
<div style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; color: #483a2d; font-family: Arial, Helvetica, sans-serif; font-size: 13px; line-height: 17px; margin-bottom: 20px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px; text-align: justify;">
The VI International Conference on Agriculture Statistics (ICAS-VI) will be at the service of these initiatives. It will be hosted by the Brazilian Institute for Geography and Statistics (IBGE), 23-25 October 2013, in Rio de Janeiro, Brazil. The conference theme will be <strong style="border-bottom-width: 0px; border-color: initial; border-left-width: 0px; border-right-width: 0px; border-style: initial; border-top-width: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; padding-bottom: 0px; padding-left: 0px; padding-right: 0px; padding-top: 0px;">Improving Statistics for Food Security, Sustainable Agriculture, and Rural Development. Linking statistics with decision making</strong>, focusing on issues raised by the implementation of the Global Strategy.</div>
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Before the Conference, the US Department of Agriculture (USDA) will organize and conduct two-day training sessions for young statisticians from developing countries, and FAO will organize Deriving Food Security Indicators from Household Surveys using the ADePT Food Security Module. Country experiences.</div>
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The Organizing Committee of ICAS-VI will be chaired by the IBGE, while the Scientific Program Committee will be co-chaired by the IBGE and the USDA.</div>
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ICAS-VI will review the efforts derived from the Action Plan for the Implementation of the Global Strategy, sharing best practices and solutions on its implementation; report the first results of the diagnostic procedures of national statistical systems; and review initiatives aimed at capacity building and training. It will also be a favourable occasion to reflect on the recommendations of the strategy, based on practical experiences of its implementation; and to examine its reach and assess new methodological development needs.</div>
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The Conference promises a truly diverse and exciting programme consisting of plenary keynote speeches delivered by prominent speakers in this field, round table discussions and parallel sessions led by outstanding organizers from all over the world. These are supplemented by poster presentations and exhibitions.</div>
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<h2>
Annual Conference on Applied Statistics in Agriculture</h2>
<div>
<a href="http://www.dce.k-state.edu/conf/applied-stats/">http://www.dce.k-state.edu/conf/applied-stats/</a></div>
<br />
Kansas State University April 27-29, 2014<br />
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<span class="Apple-style-span" style="font-size: 19px; font-weight: bold;"><br /></span>
<br />
<div>
Registration<br />
Registration for the 2014 conference has not begun. Please check back closer to the conference date.<br />
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<h3>
Home</h3>
<br />
<a href="http://www.dce.k-state.edu/conf/applied-stats/docs/2013-attendee-list.pdf">2013 Applied Stats Conference attendees</a><br />
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The Kansas State University Conference on Applied Statistics in Agriculture provides a forum for discussion of statistical issues motivated by agricultural problems. The conference brings together statisticians from academia, industry, and government to discuss ideas and advancements in the application of statistics to solving agricultural research problems.<br />
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This is a three-day conference consisting of a keynote speaker, workshop, a series of contributed papers, and poster presentations. The conference has a relaxed atmosphere to encourage discussions on papers and presentations with authors and other participants. This communication enhances the interface of statistics with the agricultural sciences.<br />
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The Kansas State University Conference on Applied Statistics in Agriculture is unique in that it emphasizes the application of statistics in solving real-life problems, highlighting agriculture, while recognizing the joint effort of the statistician and the agricultural researcher. Presentations made jointly by the statistician and the researcher in agriculture are encouraged. Presentation of data sets and analyses which motivated the work shares equal importance with development of the statistical theory. Papers on either new or innovative applications of existing statistical methodologies are appropriate for presentation at this conference.<br />
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Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-54928401636620517412013-09-07T07:10:00.001-07:002013-09-07T07:10:18.080-07:00LATEX: buenos manuales onlineEste manual de LATEX (que sirven para knitr y Sweave -uso de LATEX en R-) es muy recomendable:<br />
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<span style="color: rgb(30.000000%, 30.000000%, 30.000000%); font-family: 'URWPalladioL'; font-size: 13.000000pt; font-weight: 700;"><br /></span>
<span style="color: rgb(30.000000%, 30.000000%, 30.000000%); font-family: 'URWPalladioL'; font-size: 13.000000pt; font-weight: 700;">EDICIÓN DE TEXTOS CIENTÍFICOS </span><br />
<span style="color: rgb(30.000000%, 30.000000%, 30.000000%); font-family: 'URWPalladioL'; font-size: 80.000000pt; font-weight: 700;">LATEX</span><br />
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<span style="color: rgb(33.000000%, 59.000000%, 83.000000%); font-family: 'NimbusSanL'; font-size: 20.000000pt; font-weight: 700;"><br /></span>
<span style="color: rgb(33.000000%, 59.000000%, 83.000000%); font-family: 'NimbusSanL'; font-size: 20.000000pt; font-weight: 700;">Composición, Diseño Editorial, Gráficos,
Inkscape, Tikz y Presentaciones Beamer
</span><br />
<span style="color: rgb(30.000000%, 30.000000%, 30.000000%); font-family: 'URWPalladioL'; font-size: 10.000000pt; font-weight: 700;">2da edición. Actualización Mayo 20, 2013. </span><br />
</div>
<br />
<a href="http://www.tec-digital.itcr.ac.cr/revistamatematica/Libros/LATEX/LaTeX_Febrero_2012_Composicion_DisenoEditorial_Graficos_Inkscape_TikZ_Beamer.pdf">link</a>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-2962533729931891012013-07-19T03:09:00.005-07:002013-07-19T03:09:51.601-07:00Stats for Enjoy<span class="Apple-style-span" style="color: #444444; font-family: arial, sans-serif; font-size: x-small;"><span class="Apple-style-span" style="line-height: 16px;"><b><br />
</b></span></span> <span class="Apple-style-span" style="color: #444444; font-family: arial, sans-serif; font-size: x-small;"><span class="Apple-style-span" style="line-height: 16px;"><b><br />
</b></span></span><br />
<br />
<br />
<iframe allowfullscreen="" frameborder="0" height="300" mozallowfullscreen="" src="http://player.vimeo.com/video/18477762?title=0&byline=0&portrait=0&color=ffffff" webkitallowfullscreen="" width="400"></iframe>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-14355271275769544422011-09-28T11:41:00.000-07:002014-06-04T02:15:49.344-07:00A Windows-Compatible Tool to Analyze Ecological Flow Networks<div class="separator" style="clear: both; text-align: center;">
<a href="http://gcmd.nasa.gov/KeywordSearch/Metadata.do?Portal=GCMD_Services&KeywordPath=%5BKeyword%3D%27Phenomenological+Approach%27%5D&EntryId=NOAA_EcoNetwrk&MetadataView=Full&MetadataType=1&lbnode=mdlb3" style="text-align: start;">Curiosa aplicación en Windows creada por <span style="color: #000040; font-family: Verdana, Arial, Helvetica, sans-serif;">Robert E. Ulanowicz</span></a></div>
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<a href="http://www.glerl.noaa.gov/EcoNetwrk/images/flow1sm1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://www.glerl.noaa.gov/EcoNetwrk/images/flow1sm1.jpg" /></a></div>
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EcoNetwrA Windows-compatible tool to analyze ecological flow networks.<br />
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EcoNetwrk is based on Netwrk 4.2 by Robert E. Ulanowicz (<a href="http://www.cbl.cees.edu/%7Eulan/ntwk/network.html">http://www.cbl.cees.edu/~ulan/ntwk/network.html</a>). EcoNetwrk performs all of the analysis of Netwrk 4.2 but in a windows friendly environment. Netwrk 4.2 is copyrighted (1982, 1987, 1998, 1999) and was used with the author's permission and guidance.<br />
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<br />
What is Network Analysis?<br />
Network analysis is a phenomenological approach that holistically quantifies the structure and function of food webs by evaluating biomasses and energy flows. The efficiency with which energy and material is transferred, assimilated, and dissipated conveys significant information about the structure and function of food webs (Ulanowicz 2004; Ulanowicz and Platt 1985; Baird and Ulanowicz 1989 and 1993; Baird et al. 1991; Ulanowicz and Wulff 1991). Network analysis has been used to compare ecosystems of different size, geographical location, hydrological characteristics, and trophic status (Baird et al. 1991; Ulanowicz and Wulff 1991; Baird and Ulanowicz 1993; Monaco and Ulanowicz 1997). Most recently, arguments have been advanced for the use of network analysis to quantify the health and integrity of ecosystems (Ulanowicz 2000) and to evaluate the magnitude of stress imposed on an ecosystem (Ulanowicz 1995; Mageau et al. 1998).<br />
There are fundamentally four types of analyses in network analysis: (1) <a href="http://www.glerl.noaa.gov/EcoNetwrk/EcoNetwrkterms.htm#input">input/output analysis</a>, (2) the determination of <a href="http://www.glerl.noaa.gov/EcoNetwrk/EcoNetwrkterms.htm#trophic">trophic status</a> and the identification of an equivalent linear food chain, (3) elaboration and analysis of biogeochemical <a href="http://www.glerl.noaa.gov/EcoNetwrk/EcoNetwrkterms.htm#cycling">cycling</a><a href="http://www.glerl.noaa.gov/EcoNetwrk/netdetails.htm"> </a>and the supporting flows, and (4) calculation of <a href="http://www.glerl.noaa.gov/EcoNetwrk/EcoNetwrkterms.htm#indices">ecosystem indices</a> (or properties) derived from information theory that describe the state of the food web.<br />
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<a href="http://www.glerl.noaa.gov/EcoNetwrk/EcoNetwrkrefs.htm">EcoNetwrk References</a><br />
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Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-68214432812881451432011-06-09T04:37:00.000-07:002014-06-04T02:15:54.910-07:00III Congreso Nacional de Biodiversidad<a href="http://www.ugr.es/%7Esefin/IIICNBD/programa.htm">III Congreso Nacional de Biodiversidad</a><br />
<img height="128" src="https://blogger.googleusercontent.com/img/proxy/AVvXsEiLYkM3sLpJKvQpQ0TCfL3HTgTOewzbOAJb5BnIK2B91txRuBWqIx9tiWhVatoN9i3p_HzkHZB9rIpwnO4doz6uV6EKm4Gbr9NbY-toI1ZKb7wUeNz57WuOtWRRUbX5_OPorqxCRpmj5VHvKpymn51ku-igyKoY1AA=" width="640" /><br />
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Miércoles 8 de Junio de 2011<br />
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12:00-14:00 y 15:00-15:50 Entrega de documentación. Estación Experimental del Zaidín.<br />
<br />
16:00 Inauguración del Congreso<br />
<br />
16:45. Conferencia Inaugural.<br />
Francisco I. Pugnaire. Estación Experimental de Zonas Áridas, CSIC, Almería<br />
Economía hídrica y cambio global en zonas áridas. <br />
<br />
17:30 Mesa Redonda. Moderador: Esteban Manrique. Museo Nacional de Ciencias Naturales, Madrid.<br />
<br />
Participantes:<br />
<br />
Jesús González López. Instituto del Agua-Universidad de Granada<br />
La diversidad microbiana en tecnologías de biopelículas aplicadas al tratamiento de aguas residuales.<br />
José Luís González Rebollar. Estación Experimental del Zaidín, CSIC, Granada<br />
Conservación, alianzas y compromisos.<br />
Catuxa Novo. Servicio de Espacios Naturales Protegidos. Consejería de Medio Ambiente, Delegación Provincial de Granada<br />
El desarrollo de la red Natura 2000, una oportunidad para la conservación de la biodiversidad.<br />
Javier Cabello. Universidad de Almería<br />
Proyecto Glocharid: un marco para el seguimiento del cambio global en zonas áridas. <br />
<br />
19:15 Sesión Pósters<br />
<br />
20:30 Copa de Bienvenida<br />
<br />
21:30 Visita nocturna a la Alhambra (salida en autobús desde la Sede del congreso)<br />
<br />
<br />
Jueves 9 de Junio de 2011<br />
<br />
9:00 SESIÓN 1. DIVERSIDAD EN AMBIENTES DE MONTAÑA Y PRADOS<br />
<br />
Moderador: Francisco I. Pugnaire. Estación Experimental de Zonas Áridas, CSIC, Almería<br />
<br />
9:00 S1.1. Programa de Seguimiento del Cambio Global en Sierra Nevada: Ciencia y tecnología para la gestión adaptativa.<br />
Zamora R. y *Bonet F. J.<br />
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9:20 S1.2. ¿A qué escalas espaciales se organiza la biodiversidad?. Un análisis jerárquico de la diversidad florística en prados atlánticos de la Reserva de la Biosfera de Urdaibai.<br />
*González-Oreja J. A., Albizu I., Blanco F., Garbisu C. y Mendarte S.<br />
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9:40 S1.3. Cómo afectan las plantas nodriza a la biodiversidad: selección de características funcionales.<br />
*Schöb C. y Pugnaire F. I.<br />
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10:00 S1.4. Análisis de la estructura de la comunidad de hongos micorrícicos asociados al tejo (Taxus baccata L.) en el Parque Natural Sierra de Baza (Granada).<br />
*López-García A., Miranda J. D., Hempel S., Rillig M. C., Barea J. M. y Azcón-Aguilar C.<br />
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10:20 S1.5. Identificación de bioindicadores de procesos ambientales en la rizosfera de quercíneas mediante metagenómica.<br />
Fernández-González A. J., Cobo-Díaz J. F., Villadas P. J., Toro N. y *Fernández-López M.<br />
<br />
10:40 Café<br />
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11:10 SESIÓN 2. BIODIVERSIDAD EN MEDIOS ACUÁTICOS<br />
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Moderadora: Belén Rodelas. Universidad de Granada <br />
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11:10 S2.1. Aproximación al pan-genoma de Haloquadratum walsbyi desde el metagenoma.<br />
*Martín-Cuadrado A-B., Pasic, L., Ghai R., y Rodríguez-Valera, F.<br />
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11:30 S2.2. Contaminación por nitratos: efecto sobre la biodiversidad y abundancia de poblaciones desnitrificantes en el Parque Nacional de Doñana.<br />
*Correa D., Tortosa G., Moreno S., Sánchez-Monedero M. A., y Bedmar E. J.<br />
<br />
11:50 S2.3. Efectividad de la Red de Parques Nacionales Peninsulares en la conservación de la biodiversidad acuática<br />
*Millán A.; Picazo F; Sánchez-Fernández D.; Abellán P., Velasco J.; Lobo J. M. y Ribera I.<br />
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12:10 S2.4. Jardines olvidados bajo el mar: evaluación del estado de conservación de las fanerógamas Ruppia cirrhosa Petagna (Grande) y Zostera noltii (Hornemann) mediante su estudio genético.<br />
*Martínez-Garrido J., González-Wangüemert M., Cánovas F. y Serrão E.<br />
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12:30 S2.5. Estructura espacial de diversidad vegetal en un arroyo efímero mediterráneo.<br />
*Fernández Lo Faso R. y García Novo F.<br />
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13:00-14:30 Almuerzo<br />
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14:30-16:00 Sesión de Pósters<br />
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16:00 SESIÓN 3. BIODIVERSIDAD EN AMBIENTES ÁRIDOS Y COSTEROS<br />
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Moderador: Manuel Fernández López. Estación Experimental del Zaidín, CSIC, Granada<br />
<br />
16:00 S3.1. Las estaciones lluviosa y seca determinan perfiles diferentes en la comunidad bacteriana asociada a cactáceas endémicas del altiplano central de México.<br />
Torres-Cortés G., Millán V., Fernández-González A. J., Aguirre-Garrido J. F., Ramírez-Saad H. C., Fernández-López M., Toro N. y *Martínez-Abarca F.<br />
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16:20 S3.2. Contribución de los microorganismos en el mantenimiento de la biodiversidad en suelos áridos y semiáridos<br />
*Manzanera M., Santacruz-Calvo L., Vílchez J. I., Narváez-Reinaldo J. J., Oliver-Jacobo A., Picazo-Espinosa R. y González-López J.<br />
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16:40 S3.3. Modelos fenológicos relacionados con la biodiversidad del ensamblaje faunístico-ambiental en el Malpaís de Güimar (Tenerife).<br />
*de los Santos A. y Ferrer F. J.<br />
<br />
17:00 S3.4. Capacidad fitorremediadora de Spartina densiflora de suelos contaminados por metales pesados y As en el estuario del Río Tinto (Huelva) y contribución de la diversidad bacteriana asociada a su rizosfera.<br />
*Andrades-Moreno L., Parra R., Redondo-Gómez S., Caviedes M. A., Pajuelo E., y Rodríguez-Llorente I.<br />
<br />
17:30 Café<br />
<br />
18:00 SESIÓN 4. BIODIVERSIDAD ASOCIADA A BOSQUES Y MATORRALES.<br />
<br />
Moderador: José Luís González Rebollar. Estación Experimental del Zaidín, CSIC, Granada<br />
<br />
18:00 S4.1. Efecto del pastoreo a corto plazo sobre la composición florística y la estructura de pastos herbáceos en áreas cortafuegos de Andalucía Oriental (Granada).<br />
*Robles A. B., Ruíz-Mirazo J. y González-Rebollar J. L.<br />
<br />
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18:20 S4.2. Efecto del paisaje y de los factores ambientales en la biodiversidad de los hayedos.<br />
*Peña L., Amezaga I. y Onaindia M.<br />
<br />
18:40 S4.3. Patrones de diversidad de hongos ectomicorrícicos en un bosque mixto: papel del árbol huésped y del medio edáfico.<br />
Aponte C., *Marañón T., García L. V. y Gardes M.<br />
<br />
21.00 Cena de Clausura<br />
<br />
<br />
Viernes 10 de Junio<br />
<br />
9:00 SESIÓN 5. CONSERVACIÓN DE LA BIODIVERSIDAD Y ÁREAS DE PROTECCIÓN<br />
<br />
Moderador: Juan de Dios Miranda. Estación Experimental del Zaidín, CSIC, Granada<br />
<br />
9:00 S5.1. El Sistema de Evaluación Integrada de Áreas Protegidas (SEIAP). Resultados de la primera evaluación integrada de las áreas protegidas de la Comunidad de Madrid.<br />
*Rodríguez-Rodríguez, D.<br />
<br />
9:20 S5.2. Áreas prioritarias e indicadores de biodiversidad en el sureste ibérico.<br />
*Bruno D., Sánchez-Fernández D., Picazo F. , Velasco J., y Millán A.<br />
<br />
9:40 S5.3. Factores antropomórficos que influyen en las políticas de conservación de vertebrados en España.<br />
*Martín-Forés I., Martín-López B., y Montes C.<br />
<br />
10:00 S5.4. Las distintas figuras de conservación y gestión de la Reserva de la Biosfera Intercontinental del Mediterráneo Andalucía-Marruecos.<br />
*Molina F., Lanrani M. y Díaz del Olmo, F.<br />
<br />
10:20 S5.5. ¿Qué nos ululan los búhos reales de la región de Murcia?. Patrones de diversidad genética.<br />
*León-Ortega M., González-Wangüemert M., Pérez E., Lacalle J. A., Martínez J. E. y Calvo-Sendín J. F.<br />
<br />
<br />
10:40 Café<br />
<br />
11:10 SESIÓN 6. BIODIVERSIDAD ASOCIADA A SISTEMAS ANTROPOMÓRFICOS<br />
<br />
Moderador: Eustoquio Martínez Molina. Universidad de Salamanca.<br />
<br />
11:10 S6.1. La diversidad de la flora ornamental como herramienta para reducir la incidencia polínica en los espacios verdes urbanos.<br />
*Cariñanos P., Morón I. y Casares M.<br />
<br />
11:30 S6.2. Diversidad biológica y análisis de la interacción mutualista Micromonospora-Medicago.<br />
*Martínez-Hidalgo P.*, Trujillo M., Galindo P. y Martínez-Molina E.<br />
<br />
11:50 S6.3. Estudio de la biodiversidad microbiana en chacras maiceras mediante pirosecuenciación.<br />
*Arone G., Fernández-González A. J., Fernández-López M., Correa D. y Bedmar E. J.<br />
<br />
12:10 S6.4. Diversidad en la producción de celulosa y formación de biofilms en el género Sinorhizobium.<br />
*Menéndez E., Robledo M., Rivas R., Velázquez E., Dazzo F., Martínez-Molina E. y Mateos P. F.<br />
<br />
12.30 S6.5. Aplicaciones del Maldi-TOF-MS en el estudio de la diversidad bacteriana en Trifolium repens.<br />
Rivera L. P., Ramírez-Bahena M. H., Ferreira L., Rivas R., González-Buitrago J. M., Velázquez E., Martínez-Molina E. y Mateos P. F.<br />
<br />
13:00 Clausura del Congreso<br />
<br />
Conferencia de clausura: <br />
<br />
Esteban Manrique. Museo Nacional de Ciencias Naturales, Madrid.<br />
Colecciones científicas como series de datos para la investigación.<br />
<br />
14:00 Copa de despedida<br />
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<a href="http://www.ugr.es/%7Esefin/IIICNBD/posters.pdf">Listado</a> de comunicaciones admitidas como poster <br />
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hosting: <a href="http://www.ugr.es/">universidad de granada</a> <br />
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mantenimiento web: belén rodelas (mrodelas@ugr.es) <br />
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Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-69305952437793296272011-06-04T11:38:00.000-07:002011-06-04T11:42:07.369-07:00Interesante!!! Conferencias B i o m a t - 11: matemáticas aplicada a la biología<a href="http://www.ugr.es/%7Ekinetic/biomat/">B i o m a t - 11</a><br /><table cellpadding="10" width="100%"><tbody><tr><td align="center" width="60%"><span style="font-family:Times;font-size:+4;color:#ff0000;"><b>Biomat 2011</b></span> </td> <td rowspan="2" align="center" width="20%"> <a href="http://www.ugr.es/%7Efisymat" border="0" target="_blank"> <img src="http://www.ugr.es/%7Ekinetic/biomat/IMG/fisymat.gif" border="0" width="80%" /><br /><span style="color:#0060a2;">www.ugr.es/~fisymat</span></a></td> </tr><tr><td bg="" align="center" valign="bottom" style="color:#c56122;"> <span style="font-family:Times;font-size:+1;color:#ffffff;"> A RSME & FISYMAT joint activity<br />on the occasion of the centennial of the RSME </span> </td></tr> <tr><td colspan="3" align="center"><span style="font-family:Times;color:#c56122;"><b>Granada, june 6 - 8 2011</b></span> </td></tr> </tbody></table> <p style="margin-top:-0pt"> <span style="font-family:Times;font-size:+3;color:#ff0000;"><b>Perspectives in Mathematics and Life Sciences</b></span></p> <p style="margin-top:-10pt"> <span style="font-family:Times;color:#c56122;"><i>coordinated by</i></span><br /><span style="font-family:Times;color:#0060a2;">Juan Soler</span></p> <hr width="100%" style="font-size:180%;color:df6a11;"> <p style="margin-bottom:-10.0pt"> <span style="font-family:Times;color:#c56122;"><i><b>Organizing committee</b></i></span><br /></p> <p><span style="font-family:Times;color:#000000;"> Juanjo Nieto, Juan Calvo, Óscar Sánchez,<br />José Luis López, Tomás Alarcón</span></p> <p style="margin-bottom:-10.0pt"> <span style="font-family:Times;color:#c56122;"><i><b>Scientific committee</b></i></span><br /></p> <p style="text-align:justify"><span style="font-family:Times;color:#000000;"> Àngel Calsina, Carmen Cadarso,<br />Manuel Doblaré, Miguel A. Herrero,<br />Ángel Sánchez, Juan Soler</span></p> <span style="font-family:Times;color:#ffffff;"><b>Conference Venue</b> <a href="http://maps.google.es/maps?f=q&source=s_q&hl=es&geocode=&q=Calle+de+San+Jer%C3%B3nimo,+27,+Granada&aq=0&sll=37.174936,-3.6077&sspn=0.015251,0.020299&ie=UTF8&hq=&hnear=Calle+de+San+Jer%C3%B3nimo,+27,+18001+Granada,+Andaluc%C3%ADa&ll=37.178133,-3.601112&spn=0.00689,0.020299&z=16&layer=c&cbll=37.178148,-3.601121&panoid=oqyK1xXyytS_4VrJcbuz2Q&cbp=11,226.51,,0,3" border="0" target="_blank">(see MAP)</a> </span><br /><span style="font-family:Times;color:#0060a2;"> Fundación Euroárabe<br />C/ San Jerónimo 27<br /><br /></span><a href="http://www.ugr.es/%7Ekinetic/biomat/IMG/poster.pdf">http://www.ugr.es/~kinetic/biomat/IMG/poster.pdf</a><br /><br /><br /><div align="left"> <span style="font-family:Impact, Verdana, Arial, Helvetica, sans-serif;font-size:+1;color:#ff0000;"> Timetable</span><br /><hr color="df6a11" size="3" width="100%"> </div> <table width="100%"><tbody><tr><td align="left" width="90%"> <hr /> </td><td><br /></td></tr> <tr><td align="center"> <table border="4" cellpadding="1" cellspacing="1"> <tbody><tr> <td valign="top" width="15%"> </td> <td align="center" bg width="17%" style="color:#df6a11;"> <span style="color:#0060a2;">Monday 6</span></td> <td align="center" bg width="17%" style="color:#df6a11;"> <span style="color:#0060a2;">Tuesday 7</span></td> <td align="center" bg width="17%" style="color:#df6a11;"> <span style="color:#0060a2;">Wednesday 8</span></td> <td align="center" bg width="17%" style="color:#df6a11;"> <span style="color:#0060a2;">Thursday 9</span></td> </tr> <tr> <td align="right" bg style="color:#fbb963;"> <span style="color:#e63e1c;"> 9:00-9:30h</span></td> <td align="center" bg style="color:#fbb963;"> <div title="Registration at the desk in Fundación Euroárabe"><span style="color:#e63e1c;"> <b>Registration</b></span></div></td> <td colspan="2" rowspan="2" align="center"> </td> <td rowspan="6" align="center" bg style="color:#df6a11;"><span style="font-size:+1;color:#ffffff;"><b><a href="http://www.ugr.es/%7Ekinetic/biomat/biomat/meeting.html">I Meeting of<br /><br />Young<br /><br />Researchers<br /><br />Modeling<br /><br />Biological<br /><br />Processes</a></b></span></td> </tr> <tr> <td align="right" bg style="color:#fbb963;"><span style="color:#e63e1c;"> 9:30-10:00h</span></td> <td align="center" bg style="color:#fbb963;"> <div title="Welcome and presentation ceremony"><span style="color:#e63e1c;"> <b>Welcome and<br />presentation</b></span></div></td> </tr> <tr> <td align="right" bg height="30" style="color:#fbb963;"><span style="color:#e63e1c;"> 10:00-11:00h </span></td> <td align="center"><div title="Never reaching a steady state: three-component reaction-diffusion systems and their use in biology"><span style="color:#0060a2;"><b>Hans<br /> Meinhardt</b></span></div></td> <td align="center"><div title="The architecture of biodiversity "><span style="color:#0060a2;"><b>Jordi<br /> Bascompte</b></span></div></td> <td align="center"><div title="Propagation of fronts in non homogeneous media in models of medicine and biology "><span style="color:#0060a2;"><b>Henri<br /> Berestycki</b></span></div></td> </tr> <tr> <td colspan="4" align="center" bg style="color:#fbb963;"><span style="color:#e63e1c;"><i> Coffee break</i></span></td> </tr> <tr> <td align="right" bg height="30" style="color:#fbb963;"><span style="color:#e63e1c;"> 11:30-12:30h </span></td> <td align="center"><div title=" Image-based computational models of the cardiovascular system: towards clinical applications of the VPH "><span style="color:#0060a2;"><b>Alejandro<br /> Frangi </b></span></div></td><td align="center"><div title="Population dynamics in competitive interactions"><span style="color:#0060a2;"><b>Pierre-Emmanuel<br /> Jabin</b></span></div></td><td align="center"><div title=" Dynamics of gene regulatory circuits "><span style="color:#0060a2;"><b>Jordi<br /> García Ojalvo</b></span></div></td> </tr> <tr> <td align="right" bg height="30" style="color:#fbb963;"><span style="color:#e63e1c;"> 12:30-13:30h </span></td> <td align="center"><div title="Exploring the mathematical interface between polyelectrolyte gels and liquid crytal elastomers"><span style="color:#0060a2;"><b>Carme<br /> Calderer</b></span></div></td><td align="center"><div title=" About diffusion modeling life sciences"><span style="color:#0060a2;"><b>Vicent<br /> Caselles</b></span></div></td><td align="center"><div title=" The game of evolution"><span style="color:#0060a2;"><b>José<br /> Cuesta</b></span></div></td> </tr> <tr> <td colspan="4" align="center" bg height="50" width="1960" style="color:fbb963;"> <span style="color:#e63e1c;"><i> Lunch</i></span> </td> <td rowspan="8" align="center"> </td> </tr><tr> <td align="right" bg height="30" style="color:#fbb963;"><span style="color:#e63e1c;"> 16:00-17:00h </span></td> <td align="center"><div title=" Towards a mathematical theory of complex systems in life sciences. Reducing complexity and applications"><span style="color:#0060a2;"><b>Nicola<br /> Bellomo</b></span></div></td><td align="center"><div title="Do we need to understand biology before modeling it? "><span style="color:#0060a2;"><b>Ariel<br /> Ruiz i Altaba</b></span></div></td><td align="center"><div title="Dynamics of soliton-like spots in excitable reaction-diffusion systems"><span style="color:#0060a2;"><b>Masayasu<br /> Mimura</b></span></div></td> </tr> <tr> <td colspan="4" align="center" bg style="color:#fbb963;"><span style="color:#e63e1c;"><i> Coffee break</i></span></td> </tr> <tr> <td align="right" bg height="30" style="color:#fbb963;"><span style="color:#e63e1c;"> 17:30-18:30h </span></td> <td align="center"><div title="Modeling of collective swimming in bacterial suspensions "><span style="color:#0060a2;"><b>Leonid<br /> Berlyand</b></span></div></td><td align="center"><div title="Mathematical models for mechanical unzipping of nucleic acids"><span style="color:#0060a2;"><b>Felix<br /> Ritort</b></span></div></td><td align="center"><div title="Models of cancer: comparison with clinical data"><span style="color:#0060a2;"><b>Emmanuel<br /> Grenier </b></span></div></td> </tr> <tr> <td align="right" bg height="30" style="color:#fbb963;"><span style="color:#e63e1c;"> 18:30-19:30h </span></td> <td align="center"><div title="Modeling collective displacements"><span style="color:#0060a2;"><b>Pierre<br /> Degond</b></span></div></td><td align="center"><div title="Sensory coding by neural cell assemblies: when biologists need mathematicians!"><span style="color:#0060a2;"><b>Alan<br /> Carleton</b></span></div></td><td align="center"><div title="Kinetic models of chemotaxis and traveling bands "><span style="color:#0060a2;"><b>Benoît<br /> Perthame </b></span></div></td> </tr> <tr> <td colspan="4" align="center" height="30"> </td> </tr><tr> </tr><tr> <td align="right" bg height="30" style="color:#fbb963;"><span style="color:#e63e1c;"> ~ </span></td> <td align="center" bg style="color:#df6a11;"> <div title="Reception at Hospital Real"><span style="color:#ffffff;"> <b> 20:00 h<br />Reception at<br /> "Hospital Real"</b></span></div></td> <td align="center" bg style="color:#df6a11;"> <div title="Courses Dinner at mirador de Morayma"><span style="color:#ffffff;"> <b>21:00 h<br />Social Dinner</b></span></div></td> <td align="center" bg style="color:#df6a11;"> <div title="Night visit to the Alhambra"><span style="color:#ffffff;"> <b>22:00 h<br />Visit to<br />the Alhambra</b></span></div></td></tr></tbody></table></td></tr></tbody></table>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-75347995695916950482011-06-02T14:35:00.000-07:002011-06-02T14:35:04.835-07:00 Biomat Cursos Grupo de Ecología Matemática Departamento de matemática Facultad de Ciencias Exactas y Naturales; Uni » Curso MODELOS ESTRUCTURADOSUn blog cool sobre modelos en ecología<br /><a href="http://www.biomatcursos.edicypages.com/curso-modelos-estructurados-en-biologia-analisis-asintotico-y-de-perturbaciones"> Biomat Cursos Grupo de Ecología Matemática Departamento de matemática Facultad de Ciencias Exactas y Naturales; Uni » Curso MODELOS ESTRUCTURADOS</a>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-81487844781382098602011-04-29T01:34:00.000-07:002011-04-29T01:34:23.792-07:00Congreso: 12th European Ecological Federation (EEF) Congress<a href="http://www.eefcongress2011.eu/index.php?idpagina=16&idioma=ang">12th EEF Congress</a>: "- Enviado mediante la barra Google"<br /><br />25-29 Septiembre 2011. Ávila, España<br /><div id="elcontent"> <h1>Important dates</h1> <p> </p> <p><span style="color: rgb(51, 51, 51);"><strong>Opening registration</strong></span><span style="color: rgb(0, 128, 0);"> (15<sup>th</sup> February 2011)</span></p> <p><strong><span style="color: rgb(51, 51, 51);">Call for Abstract contributions</span><span style="color: rgb(0, 128, 0);"> </span></strong><span style="color: rgb(0, 128, 0);">(15<sup>th</sup> February 2011)</span></p> <p><span style="color: rgb(51, 51, 51);"><strong>End of early registration</strong></span><span style="color: rgb(0, 128, 0);"> (30<sup>th</sup> April)</span></p> <p><strong><span style="color: rgb(51, 51, 51);">Deadline for abstract submission</span> </strong><span style="color: rgb(0, 128, 0);">(30<sup>th</sup> April)</span></p> <p><span style="color: rgb(51, 51, 51);"><strong>Late registration time</strong></span> <span style="color: rgb(0, 128, 0);">(From 1<sup>st</sup> May 2011)</span></p> <p><span style="color: rgb(51, 51, 51);"><strong>3rd Circular</strong></span> (May 2011)</p> <p><span style="color: rgb(51, 51, 51);"><strong>Notification of acceptance of abstracts</strong></span><span style="color: rgb(0, 128, 0);"> (15<sup>th</sup> June 2011)</span></p> <p><span style="color: rgb(51, 51, 51);"><strong>Final program</strong></span> <span style="color: rgb(0, 128, 0);">(31<sup>st</sup> July 2011)</span></p><p><br /><span style="color: rgb(0, 128, 0);"></span></p><div id="elcontent"> <h1>Speakers </h1> <p><strong>Plenary Lectures<br /></strong></p> <p><strong><a href="http://www.oesa.ufz.de/towi/">Prof. Thorsten Wiegand</a>, </strong></p><strong><a href="http://terrychapin.org/">Prof. Terry Chapin</a>,<br /></strong><strong><a href="http://ieg.ebd.csic.es/JordiBascompte/">Prof. Jordi Bascompte</a></strong><strong>,<br /></strong><strong><a href="http://www.bristol.ac.uk/biology/person/index.html?personKey=dBWst3jWFcZ89MpxMdxzbqkK4PcoJd">Prof. Jane Memmott</a>,<br /></strong><strong><a href="http://biology.uoregon.edu/people/Green/">Dr. Jessica L. Green</a>,</strong><strong><br /><a href="http://www3.imperial.ac.uk/people/g.mace">Prof. Georgina Mace</a>,</strong><br /></div> </div>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-27757240528263034592011-04-25T08:02:00.000-07:002011-04-25T08:02:39.090-07:00PROYECTO CEACES: muy buen material sobre estadística<a href="http://www.uv.es/ceaces/index.htm">PROYECTO CEACES</a>: "- Enviado mediante la barra Google"Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-1834609381979910572011-04-22T04:01:00.000-07:002011-04-22T04:01:40.760-07:00GNU PSPP: SPSS gratis!<a href="http://www.gnu.org/software/pspp/">GNU PSPP</a>: "- Enviado mediante la barra Google"Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-23855864138441041062011-03-28T14:15:00.000-07:002011-03-28T14:15:27.672-07:00ECOL(BIOL) 563 Homepage<a href="http://www.unc.edu/courses/2008fall/ecol/563/001/index.html">Material del curso ECOL(BIOL) 563 Homepage</a>: "- Enviado mediante la barra Google"Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-75602168186028275102011-03-28T14:07:00.000-07:002011-03-28T14:10:48.360-07:00A protocol for data exploration to avoid common statistical problems<a href="http://ckwri.tamuk.edu/fileadmin/user_upload/A-Litt/Zuur_et_al_2010_-_avoiding_common_statistical_problems.pdf">http://ckwri.tamuk.edu/fileadmin/user_upload/A-Litt/Zuur_et_al_2010_-_avoiding_common_statistical_problems.pdf</a>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0tag:blogger.com,1999:blog-7470725693432942783.post-80417903898940296402011-02-03T03:15:00.000-08:002011-02-05T13:13:39.462-08:00¿cómo varía la productividad primaria neta terrestre? Nemani et al. 2003 vs. Zhao 2010.<div style="text-align: center;"><span style="font-weight: bold;">La productividad primaria neta, ¿aumenta o disminuye?<br /><br /></span><div style="text-align: justify;">Dos artículos publicados en Science analizan esta temática a escala global y en las últimas décadas.<br /><br /></div></div>El artículo de Nemani et al. (2003) analiza el impacto del cambio climático global en la productividad primaria neta terrestre, en el contexto de factores limitantes del crecimiento vegetal. Es decir, se estudia las respuestas de la vegetación al cambio climático entre 1982-1999.<br /><br /><span style="font-weight: bold;">Breve resumen de la metodología</span><span style="font-weight: bold;"></span>:<br /><ul><li>Construyen un mapa de las contribuciones relativas de los controles climáticos a la vegetación global.<br /></li><li>Construyen índices bio-climáticos y estiman el efecto de la precipitación (40%), temperatura (33%) y radiación (27%) sobre el crecimiento vegetal. Colimitantes.</li><li>Usa el modelo de eficiencia de producción específica del bioma (PEM) para estimar PPN anual a alta resolución.</li></ul><span style="font-weight: bold;">Principales conclusiones</span>:<br /><ul><li>Un aumento de temperatura promueven el crecimiento vegetal <span style="font-weight: bold;">más temprano</span> y secuestramiento del carbono adicional en regiones limitadas por la temperatura.</li><li>Cambio de la dinámica monsoon produce régimenes +húmedos y -VPD en ecosistemas limitados por el h20.</li><li>PPN modelado aumenta en regiones limitadas por el h20 y radiación (6.5%), seguidos por los limitados por temp y radiación (5.7%) y limitados por tempr y h20 (5.4%).</li><li>el cambio global parece <span style="font-weight: bold;">aliviar los limitantes climáticos críticos del crecimiento vegetal</span>, de tal manera que la PPN aumenta un 6% globalmente (principalmente en ecosistemas tropicales y Amazonia).</li></ul>Por tanto, se trata de un análisis global de estos temas y un enfoque interesante sobre los factores limitantes del crecimiento vegetal.<br /><br />Sin embargo, un artículo publicado en el 2010 (Zhao 2010) mide una reducción en la PPN global entre los años 2000-2009. El argumento de este nuevo artículo afirma que las sequías a gran escala reducen el PPN regional, y la tendencia seca en el hemisferio sur disminuyen el PPN allí, contrarrestando el aumento del PPN en el hemisf norte.<br /><br /><span style="font-weight: bold;">Principales conclusiones:</span><br /><ul><li>PPN global disminuyó ligeramente en la década pasada, con variaciones inter-anuales correlacionadas negativamente con las tasas de crecimiento del CO2 atmosférico, sugiriendo que el PPN global es el mayor conductor de la tasa de crecimiento inter-anual de CO2.</li><li>Regionalmente, las anomalías PPN anuales negativas pueden ser causadas por sequías a gran escala.</li><li>PPN aumenta en el hemisferio norte (NH) y disminuye en el hemisferio sur (SH).</li><li>Alta correlación entre PPN, ppt en la estación de crecimiento y PDSI (estacion de crecimiento promedio) en SH y débil en NH.</li><li>Hipótesis/Meccanismos explicativos: 1) SVP (presión de vapor saturada) y 2) MRI (pindice de respiración mainten). En SH la temperatura media anual es 12ºC más que en NH para una área con vegetación, por lo cual un aumento equivalente de la temp tendrá mayores cambios en SVP y MRI en SH (porque son funcion no lineal de la temp).<br /></li></ul>En conclusión, este artículo postula que en los últimos 10 años grandes sequías periódicas regionales y la tendencia general a la sequía en el SH redujeron la PPN terrestre global<br /><br /><br />En fin, les dejo ambos artículos para que les den un vistazo ustedes mismos.<br /><a title="View Nemani_etal_2003_Science on Scribd" href="http://www.scribd.com/doc/48090732/Nemani-etal-2003-Science" style="margin: 12px auto 6px; font-family: Helvetica,Arial,Sans-serif; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: normal; font-size-adjust: none; font-stretch: normal; display: block; text-decoration: underline;">Nemani_etal_2003_Science</a> <object id="doc_729265080022917" name="doc_729265080022917" type="application/x-shockwave-flash" data="http://d1.scribdassets.com/ScribdViewer.swf" style="outline-color: -moz-use-text-color; outline-style: none; outline-width: medium;" height="600" width="100%"> <param name="movie" value="http://d1.scribdassets.com/ScribdViewer.swf"> <param name="wmode" value="opaque"> <param name="bgcolor" value="#ffffff"> <param name="allowFullScreen" value="true"> <param name="allowScriptAccess" value="always"> <param name="FlashVars" value="document_id=48090732&access_key=key-262d1eiclozdxy0s05wi&page=1&viewMode=list"> <embed id="doc_729265080022917" name="doc_729265080022917" src="http://d1.scribdassets.com/ScribdViewer.swf?document_id=48090732&access_key=key-262d1eiclozdxy0s05wi&page=1&viewMode=list" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" wmode="opaque" bgcolor="#ffffff" height="600" width="100%"></embed> </object><br /><br /><br /><a title="View Zhao_&_Running_2010_science on Scribd" href="http://www.scribd.com/doc/48091494/Zhao-Running-2010-science" style="margin: 12px auto 6px; font-family: Helvetica,Arial,Sans-serif; font-style: normal; font-variant: normal; font-weight: normal; font-size: 14px; line-height: normal; font-size-adjust: none; font-stretch: normal; display: block; text-decoration: underline;">Zhao_&_Running_2010_science</a> <object id="doc_769991470481037" name="doc_769991470481037" type="application/x-shockwave-flash" data="http://d1.scribdassets.com/ScribdViewer.swf" style="outline-color: -moz-use-text-color; outline-style: none; outline-width: medium;" height="600" width="100%"> <param name="movie" value="http://d1.scribdassets.com/ScribdViewer.swf"> <param name="wmode" value="opaque"> <param name="bgcolor" value="#ffffff"> <param name="allowFullScreen" value="true"> <param name="allowScriptAccess" value="always"> <param name="FlashVars" value="document_id=48091494&access_key=key-15wp840jqpejdkhtmnkr&page=1&viewMode=list"> <embed id="doc_769991470481037" name="doc_769991470481037" src="http://d1.scribdassets.com/ScribdViewer.swf?document_id=48091494&access_key=key-15wp840jqpejdkhtmnkr&page=1&viewMode=list" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" wmode="opaque" bgcolor="#ffffff" height="600" width="100%"></embed> </object>Rosana Ferrerohttp://www.blogger.com/profile/05891745549463934951noreply@blogger.com0