In case you missed them, here are some articles from January of particular interest to R users.
Slides on reproducible data analysis with Revolution R Open and the checkpoint package.
A review of a recent Bay Area R User Group meetup, featuring Hadley Wickham, Ryan Hafen and Nick Elprin.
In an article at opensource.com, I explain why now is a great time to learn R and provide some resources to get started.
Norm Matloff reviews the state of the art in parallel programming with GPUs in R.
A tongue-in-cheek R script provides excuses for when your P-values aren't *quite* significant enough.
Joe Rickert reviews the state of R integration with Spark.
Tufte's classic weather data visualization recreated in R for Dayton, Chicago and New York City.
A new R-based course, Statistical Computing for Biomedical Data Analytics.
An introductory tutorial for R, aimed at budding econometricians.
Harvard offers a free 5-week online course on R.
A look at, and some resources for using, R's base graphics capabilities.
An update to the "R is Hot" whitepaper with new applications and statistics on R usage.
Interactive R notebooks with Domino Data Lab.
The dplyr package has been updated with new data manipulation commands for filters, joins and set operations.
Kudos to the rapidly-growing BioConductor project, recently featured in Nature.
An online R-based application evaluates your risk of flooding.
Twitter releases an R package for anomaly detection in time series.
A Revolution Analytics consultant describes how he used R to visualize soil attributes using the ggmap package.
Yihui Xie created a voice-controlled R graphics application.
Video of talks by Trevor Hastie (on machine learning) and John Chambers (reminiscing on his time at Bell Labs).
The top 10 posts on the Revolutions blog from 2014.
General interest stories (not related to R) in the past month included: a comeback for real and virtual pinball, a geometry construction game, a typography game and a musical 'tribute' to Shia LeBoeuf.
As always, thanks for the comments and please send any suggestions to me at email@example.com. Don't forget you can follow the blog using an RSS reader, via email using blogtrottr, or by following me on Twitter (I'm @revodavid). You can find roundups of previous months here.