1450 search results for "tutorial"

Quartiles, Deciles, and Percentiles

June 9, 2013
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The measures of position such as quartiles, deciles, and percentiles are available in quantile function. This function has a usage,where:x - the data pointsprob - the location to measurena.rm - if FALSE, NA (Not Available) data points are not ignoredna...

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IntR – Interactive GUI for performing geostatistical analysis in R

June 4, 2013
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IntR – Interactive GUI for performing geostatistical analysis in R

In 2011 I presented at the UseR conference, held in Warwick (UK), a piece of software for easing the learning curve of R for geostatistical analysis. It is a very simple attempt to create an interactive interface in R, by using Python as GUI. F...

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PluginR v0.80 released & 2 new trainings in July 2013

June 4, 2013
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PluginR v0.80 released & 2 new trainings in July 2013

I'm pleased to announce that the new version 0.80 of PluginR has just been released (as usual, available as a Tiki Mod) with a few minor bugs fixed, and a couple of new interesting features added: PluginR now uses a caching mechanism extending the ...

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PluginR v0.80 released & 2 new trainings in July 2013

June 4, 2013
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PluginR v0.80 released & 2 new trainings in July 2013

I'm pleased to announce that the new version 0.80 of PluginR has just been released (as usual, available as a Tiki Mod) with a few minor bugs fixed, and a couple of new interesting features added: PluginR now uses a caching mechanism extending the ...

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”How to draw the line” with ggplot2

May 30, 2013
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”How to draw the line” with ggplot2

In a recent tutorial in the eLife journal, Huang, Rattner, Liu & Nathans suggested that researchers who draw scatterplots should start providing not one but three regression lines. I quote, Plotting both regression lines gives a fuller picture of the data, and comparing their slopes provides a simple graphical assessment of the correlation coefficient. Plotting

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Shiny talk by Joe Cheng

May 29, 2013
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Shiny talk by Joe Cheng

Shiny is a framework work for creating web applications with R. Joe Cheng of RStudio, Inc. presented on Shiny last evening in Zillow's offices 30 stories up in the former WaMu Center. Luckily, the talk was interesting enough to compete with the view ...

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Look Familiar? Mapping in R

May 29, 2013
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Look Familiar? Mapping in R

For those who have been following the R-Bloggers this picture should be yesterdays news, but there was an article on the BBC on it, full story HERE. I find it interesting how it was on Drudge Report (www.drudgereport.com) which gets over 1 million hits...

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Item Analysis App – Shiny Code

May 28, 2013
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Item Analysis App – Shiny Code

Here is the code for my first Shiny App! It is the one that I posted previously with a few slight revisions. You can see it at:A Shiny R AppIn order to make any sense of this I suggest you working through the tutorial (http://www.rstudio.com/shiny/) it...

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Interactive presentation with slidify and googleVis

May 28, 2013
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Interactive presentation with slidify and googleVis

Last week I was invited to give an introduction to googleVis at Lancaster University. This time I decided to use the R package slidify for my talk. Slidify, like knitr, is built on Markdown and makes it very easy to create beautiful HTML5 presentations...

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Logging Data in R Loops: Applied to Twitter.

May 26, 2013
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A problem that many users face in R is storing the output from loop operations. In the case of Twitter, we may be requesting the last specified number of Tweets from a number of Twitter users. Several methods exist for … Continue reading →

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