In case you missed them, here are some articles from February of particular interest to R users.
Revolution R Enterprise 4.2 is now available to subscribers, and for free download to academics.
A profile of prolific R contributor, Dirk Eddelbuettel.
A list of upcoming R-related courses from Statistics.com.
Links to articles about Revolution R in Forbes, CIO Magazine, The Register and the New York Times.
R has overtaken SAS and Matlab in programming language popularity, according to the Tiobe Index.
The Freakonometrics blog published an tree model (from R) on similar journals with respect to their published article content.
Dating site OkCupid describes how data analysis in R contributes to their controversial relationships blog.
A summary of the changes in R 2.12.2, released on February 25.
The use of Twitter to organize the demonstrations in the Middle East is illustrated in an R chart by Michael Bommarito. Michael also used R to analyze the emails of hacked internet security firm HBGary.
Hadley Wickham, author of the ggplot2 package, is seeking feedback via a ggplot2 user survey.
Some notes on recently updated R packages: Rcpp, reshape2, plyr, rms and formatr.
Neil Kodner used R to analyze the effect of device (iPad/iPhone/iPod) on top scores for the game Canabalt.
Steve Miller published a review of packages in R to process data using by-group methods similar to those in SAS.
Christian Gunning offers some tips on setting up a parallel-programming cluster for R with OpenSSH and the doSNOW package.
Other non-R-related stories in the past month included a cartoon about factor analysis, all-terrain pack robots, a clever map of optimal tic-tac-toe strategy, computers impersonating humans on Jeopardy and elsewhere, and how averages of faces don't regress to the mean.
Rstudio, a new IDE for R, is now in beta test.
As always, thanks for the comments and please send any suggestions to me at firstname.lastname@example.org. Don't forget you can follow the blog using an RSS reader like Google Reader, or by following me on Twitter (I'm @revodavid). You can find roundups of previous months here.