In case you missed them, here are some articles from February of particular interest to R users.

The doSMP package, which enables parallel processing for R on multiprocessor machines, is now available on CRAN.

The Offensive Politics blog provided R code used to make a map of precinct returns in the Chicago mayoral election.

A connector to integrate R output into JasperReports with RevoDeployR is now available.

The Iowa State Department of Statistics used R to analyze distribution of stimulus funds, and has an interesting look at some of the errors in the source data.

The Rexer Analytics Data Miner Survey reports that R is the most commonly-used tool amongst surveyed data miners.

We cross-posted an essay by Revolution Analytics CEO Norman Nie, Keep an Eye on the Open-Source Analytics Stack.

Baseball batting averages provide an instructive lesson on checking your assumptions for T-tests.

We're looking for nominations for R community members to be profiled in the “R-Files” series on the Revolutions blog. 

R 2.13.0 is scheduled for release on April 13.

Sherry LaMonica of the Revolution Analytics engineering team reviews the functions in the RevoScaleR package for Big Data.

Amanda Cox presented at the New York R User Group on how the New York Times uses R for visualization, and you can watch it on video.

Revolution Analytics announces a partnership with Netezza, to bring R to the TwinFin data warehouse appliance.

Register your opinions about open-source software in the 2011 Future of Open Source Survey.

Robert Muenchen has updated his analysis of popularity of data analysis software, featuring R.

Tech news site The Register publishes a profile of Revolution Analytics.

Joseph Rickert shares an example of building a model in R and exporting it to PMML for use with ADAPA.

Violins of volatility provide a novel way of visualizing financial volatility.

Revolution Analytics chief scientist Lee Edlefsen is interviewed at the Structure Big Data Conference in this five-minute video.

Other non-R-related stories in the past month included: Heritage Health and Kaggle have launched a 2-year competition with $3.2M in prizemoney for predicting hospitalization from health data and flying by Saturn without CGI. On a lighter note, there also was: successively upgrading every version of Windows, and an equation for celebrity dating habits.

There are new R user groups in Orange County, CA, Tallahassee, FL and Hobart, TAS. Meeting times for these groups can be found on the updated R Community Calendar.

As always, thanks for the comments and please send any suggestions to me at [email protected]. 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.