Monthly Archives: June 2009

Use meaningful color schemes in your figures

June 3, 2009
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Some of the best figure design ideas come from cartographers. If you've ever read a Tufte book you've seen lots of examples. Let's talk about using color effectively. Penn State geography professor Cindy Brewer's ColorBrewer tool for selecting color schemes for figures has been conveniently packaged into an R library called RColorBrewer. You'll have to read up...

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How to plot a graph in R

June 2, 2009
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How to plot a graph in R

Here's a quick tutorial on how to get a nice looking graph out of R (aka the R Project for Statistical Computing). Don't forget that help for any R command can be displayed by typing the question mark followed by the command. For example, to see help o...

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Run a remote R session in emacs: emacs + ESS + R + ssh

June 1, 2009
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I don’t know how, but somehow, i stumbled on how to do this. I’ve always used emacs with ESS to run R, since spring 2006 (did it on windows, switched to linux, for years, and most recently, on my macbook). I liked this because i get the same usual interface across ALL platforms (well, maybe

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How to win the KDD Cup Challenge with R and gbm

June 1, 2009
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How to win the KDD Cup Challenge with R and gbm

Hugh Miller, the team leader of the winner of the KDD Cup 2009 Slow Challenge (which we wrote about recently) kindly provides more information about how to win this public challenge using the R statistical computing and analysis platform on a laptop (!).

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