I write about R every weekday at the Revolutions blog: blog.revolutionanalytics.com and every month I post a summary of articles from the previous month of particular interest to readers of r-help. In case you missed them, here are some articles related to R from the month of July: The Environmental Performance Index website uses R to rank countries by measures like environmental health and ecosystem vitality: bit.ly/QfCkiP A log-linear regression in R predicted the gold-winning Olympic 100m sprint time to be 9.68 seconds (it was actually 9.63 seconds): bit.ly/QfChUh Some R-related talks from the Revolution Analytics team and others at the 2012 JSM conference: bit.ly/QfCkiR Big vectors (with more than 2^31 elements) are coming to R: bit.ly/QfChUi R gets a somewhat oblique mention in the Finance section of the New York Times: bit.ly/QfCkiS Improvements to the rmr package make R-based map-reduce jobs in Hadoop faster: bit.ly/QfCkiQ Overview of articles in the June 2012 edition of the R Journal: bit.ly/QfCkiT An analysis of uses of "soda" vs "pop" on Twitter results in a linguistic map of the US and the world: bit.ly/QfCiax A guide for preparing public data for analysis with R: bit.ly/QfCiaz A "statistics hacker" describes the tools (R included) he uses for data science: bit.ly/QfCkiU The lpSolveAPI package has powerful mixed-integer programming capabilities, as this cargo optimization example demonstrates: bit.ly/QfCiay R is used by more than 500 statisticians at Google, who use Google's "Flume" package to model terabytes of data with R: bit.ly/QfCiaC I used the ggmap package to create a map of wineries in Napa valley (bit.ly/QfCkiW), and Barry Rowlingson created an interactive version (bit.ly/QfCkiX). The SAScii package parses SAS scripts with PROC IMPORT statements (provided with many public data sets) to import data into R: bit.ly/QfCiaD The emotion of the deciding Premier League Championship games with Manchester United and Manchester City was captured in Twitter and visualized with R: bit.ly/QfCiaE A new open journal for Data Science: bit.ly/QfCkza How Statistics played a role in the discovery of the Higgs Boson: bit.ly/QfCiaF A big list of R's features and capabilities: bit.ly/QfCkzb Other non-R-related stories in the past month included: a modern trailer for the movie '2001' (bit.ly/QfCkzc), a photographic tribute to San Francisco (bit.ly/QfCiaG), landing on Mars (bit.ly/QfCkzd), and the evolution of the Formula 1 racer (bit.ly/QfCiaH). There's a new R user group in Leipzig (bit.ly/QfCiaI). Meeting times for local R user groups (bit.ly/eC5YQe) can be found on the updated R Community Calendar at: bit.ly/bb3naW If you're looking for more articles about R, you can find summaries from previous months at blog.revolutionanalytics.com/roundups. Join the Revolution mailing list at revolutionanalytics.com/newsletter to be alerted to new articles on a monthly basis. As always, thanks for the comments and please keep sending suggestions to me at david at revolutionanalytics.com . 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). Cheers, # David -- David M Smith <david at revolutionanalytics.com> VP of Marketing, Revolution Analytics blog.revolutionanalytics.com Tel: +1 (650) 646-9523 (Palo Alto, CA, USA) Twitter: @revodavid