Revolution Analytics staff and guests write about R every weekday at the Revolutions blog: http://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 deadline for our contest to visualize the location of R user groups has been extended to August 16: http://bit.ly/1o9C1N8 Previews of R-related sessions at this year's JSM conference in Boston: http://bit.ly/1o9C1N7 Coding errors in R graphics scripts serendipitously create some interesting art: http://bit.ly/1o9C1N6 Another look at the dependency graphs for R packages with the miniCRAN package: http://bit.ly/1o9C1N9 , following on from this post: http://bit.ly/1o9C0sz A Reuters journalist used R for a story about the impact of rising sea levels: http://bit.ly/1o9C0sy The DSC 2014 conference featured an interesting discussion on learnings from alternative R implementations like Renjin and pqR: http://bit.ly/1o9C1Na An in-depth look at R's capabilities for agent-based modeling and the RNetLogo package: http://bit.ly/1o9C0sB The magrittr package introduces the %>% pipe operator, an elegant way of chaining R functions together: http://bit.ly/1o9C0sA Some considerations for choosing a trainer for R courses: http://bit.ly/1o9C1Nb Cleveland popularized lattice-style graphics by revealing an error in the "barley" data set, but there may not have been any error after all: http://bit.ly/1o9C1Nc A review of R packages for meta-analysis: http://bit.ly/1o9C0sC Preparing big data for analysis in R with Xplenty: http://bit.ly/1o9C0sD A free e-book on Machine Learning with R from InsideBigData: http://bit.ly/1o9C1Nd Recent research by the IEEE ranks R the 9th most popular of all programming languages: http://bit.ly/1o9C3o0 A brief summary of the changes in R 3.1.1: http://bit.ly/1o9C23q Joe Rickert recaps John Chambers' keynote address on the history of R at useR! 2014: http://bit.ly/1o9C3o4 I recount some personal highlights from the useR! 2014 conference in Los Angeles: http://bit.ly/1o9C3o3 Reviews and links to materials from some of the R tutorials presented at useR! 2014: http://bit.ly/1o9C3o2 A 5-minute history of Revolution Analytics, in slides: http://bit.ly/1o9C3o5 Part 2 in a series on constructing a term structure of interest rates with R: http://bit.ly/1o9C23t General interest stories (not related to R) in the past month included: misheard Pearl Jam lyrics (http://bit.ly/1o9C3o6), a pop song about grammar (http://bit.ly/1o9C23v), a book review of "The Martian" (http://bit.ly/1o9C3o7), and some of the fuzzy details behind the definition of "USA" (http://bit.ly/1o9C23u). Meeting times for local R user groups (http://bit.ly/eC5YQe) can be found on the updated R Community Calendar at: http://bit.ly/bb3naW If you're looking for more articles about R, you can find summaries from previous months at http://blog.revolutionanalytics.com/roundups/. You can receive daily blog posts via email using services like blogtrottr.com, or join the Revolution Analytics mailing list at http://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 or via Twitter (I'm @revodavid). Cheers, # David -- David M Smith <david at revolutionanalytics.com> Chief Community Officer, Revolution Analytics http://blog.revolutionanalytics.com Tel: +1 (650) 646-9523 (Chicago IL, USA) Twitter: @revodavid -- Try Enterprise R Now! <https://aws.amazon.com/marketplace/seller-profile/ref=_ptnr_emailfooter?ie=UTF8&id=3c6536d3-8115-4bc0-a713-be58e257a7be> Get a 14 Day Free Trial of Revolution R Enterprise on AWS Marketplace