Revolutions Blog: April Roundup

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Revolutions Blog: April Roundup

David Smith-4
I write about R every weekday at the Revolutions blog:
and every month I post a summary of articles from the previous month
of particular interest to readers of r-help.

By the way, you might have noticed that we've changed our name to
Revolution Analytics from Revolution Computing. You can read about the
motivation for the change, and our plans for new products around R, by
downloading the document at: . Also, if you'd like to
learn more about Revolution and our products I'll be giving a public
webinar on May 20, details here:

Anyway, here are the highlights from the blog from last month: announced the availability of Revolution R
Community 3.2 (based on R 2.10.1), now 100% open source, and including
a new doMC package for parallel computing on Windows. announced that Revolution R Enterprise is now
available free of charge to everyone in the academic community. announced, a new community site for
R sponsored by Revolution Analytics.

On April 1, showed how R is used to combat the
growing zombie menace. reviewed A Practical Guide to Geostatistical
Mapping, a free book on mapping and spatial data analysis with R. noted an early report of running R on a jailbroken iPhone. linked to a video of Dirk Eddelbuettel's
presentation on calling C++ from R with Rcpp and Rinside. linked to slides from my recent High-Performance
Analytics webinar, with examples of using "foreach" for parallel
programming on clusters (specifically, Microsoft HPC Server). reported how Benetech uses R to analyze complex
political and human-rights issues. The same post also recaps a talk by
"R in a Nutshell" author Joe Adler on measuring performance of R
idioms. recounted a storm on the blogosphere that erupted
when a SAS consultant took issue with R being called "the next big
thing". noted that StackOverflow now includes over 1000 R
questions, and links to a post on optimizing the performance of R for
reading and writing text files. shares an anecdote from Red Monk analyst Steve
O'Grady on why he decided to learn R. noted the release of R 2.11.0 and highlighted
some of the improvements. linked to a review of the R/Finance 2010
conference by Steve Miller, and shared slides from my own talk there
about Revolution's forthcoming big-data library. linked to an interview with Revolution's CEO
Norman Nie. Part 2 of the interview is here: linked to a how-to guide for linking a Web
application to R with Rapache.

Several new R user groups launched in the US in the past month,
including Chicago (, Dallas
( and San Diego (

Other non-R-related stories in the past month included an analysis of
Chatroulette (, the legality of statistical
sampling (, teaching conditional probability
(, and (on a lighter note) fonts and ink use
( and vacuous infographics (

The R Community Calendar has also been updated at:

If you're looking for more articles about R, you can find summaries
from previous months at
Join the REvolution mailing list at to be alerted to new
articles on a monthly basis.

As always, thanks for the comments and please keep sending suggestions
to me at [hidden email] . Don't forget you can also
follow the blog using an RSS reader like Google Reader, or by
following me on Twitter (I'm @revodavid).

David M Smith <[hidden email]>
VP of Marketing, Revolution Analytics
Tel: +1 (650) 330-0553 x205 (Palo Alto, CA, USA)

[hidden email] mailing list
PLEASE do read the posting guide
and provide commented, minimal, self-contained, reproducible code.