Blog Archives

Robert Gentleman joins REvolution’s board of directors

January 25, 2010
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We're so excited here at REvolution Computing to announce that Robert Gentleman has joined our board of directors. Robert is one of the two originators of the R Project: a research project between Robert and Ross Ihaka in 1996 was the genesis of the R language. (Both Robert and Ross were profiled in an article in the New York...

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User Group news: DC and Philly

January 22, 2010
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There's a new local R User Group starting up in Philadelphia. Alex McClung and Jeremy Leipzig have set up a website for the Philly UseR Group to get things started, so if you're in the area join up and tell them what you'd like from the group. Also, the DC UseR Group is seeing renewed activity after a hiatus...

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Web Development with R (video)

January 22, 2010
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Jeroen Ooms' BARUG talk on Web Development with R is now available (with thanks again to Drew Conway): If you want to try the web based apps Jeroen demos in the video yourself, you can find links at Jeroen's homepage (along with the slides for his talk). Click on the links for stockplot, lme4, and gpplot2. vcasmo: Web Development...

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Because it’s Friday: The Internet is Made of Cats

January 22, 2010
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Here's a fascinating video that looks at the exponential growth of broadband technology and network-based models ... uh ... who am I kidding? This video has nothing to do with R, statistics, or open-source. It's about cats. But it's funny. And it's Friday. (Some slightly NSFW language, but it's in a strong British accent so you might not even...

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How to make a heat map in R

January 21, 2010
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How to make a heat map in R

FlowingData has just posted a nice step-by-step tutorial on how to make a heat-map in R, like this one on attributes of NBA scorers: If you want to take the concept a step further with time-series data, you can also create calendar heat-maps in R. For example, you can track the level of activity in a forum, or the...

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UseR 2010 and commercial applications of R

January 21, 2010
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Preparations are well underway for the annual R user conference useR! 2010, to be held at NIST (about 25 miles outside of Washington, DC) July 20-23. This meeting is a true user conference: almost all of the presentations at the conference are contributed by ordinary R users. So, to continue the success of previous years the conference committee needs...

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How to integrate R into web-based applications (video)

January 20, 2010
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The slides and videos from Jeff Horner's talk at last week's Bay Area User Group session on R-Powered Web Apps are now available. I've embedded it here below, but you might want to click through to larger size for better readability on the slides. Jeff's talk (titled "Use Rapache! It works") gives an overview of how to integrate R...

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New UseR group in Seattle, WA

January 19, 2010
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There's a new local R user group to add to the list. The latest addition is in Seattle, WA and the first meeting of the Seattle useR Group is tomorrow. The group is organized by Zack Stednick (a data analyst and R user at the Fred Hutchinson Cancer Research Center in Seattle), and this meeting is hosted by my...

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Introduce your friends to R

January 19, 2010
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R has gotten quite a lot of exposure recently. It started with the feature article in the New York Times last January, but since then there's been a steady flow of articles about R in analyst reports, on blogs, in YouTube videos, on Twitter, as well as in the general news media. As a result, a lot of new...

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New features in ggplot2 version 0.85

January 18, 2010
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Hadley Wickham recently updated the ggplot2 package for R to version 0.8.5. In addition to bugfixes and performance improvements, this version introduces some handy new features. Among them: the ability to display mathematical equations as text, automatic legends for color scales, and user-configurable axis labels and legend titles. The Learning R blog runs through the new features with worked...

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