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

An alternative to stacked bar charts with the streamgraphs package.

Joseph Rickert shares his process for creating the monthly new and updated packages "spotlight" feature on MRAN.

Using R to analyze data from its API reveals R to be the 8th most popular language by activity on StackOverflow.

On accumulating results in R using looping operations.

In an in-depth profile, Hadley Wickham shares his motivations for creating his many useful R packages.

The latest rankings by IEEE Spectrum puts R as the 6th most popular programming language, rising 3 since 2014.

Revolution R Open 3.2.1 is now available, bringing multi-threaded performance and new platforms to the latest R engine.

A look at trends of questions on StackOverflow for Python and R.

Setting up a Linux VM on Azure, and importing data into R from MySQL and mariaDB.

The winners of the 2015 KDD Cup, and how you can analyze the data with R in Azure ML Studio.

The chair of the local committee shares some statistics from the useR! 2015 conference.

A review of R packages for extreme value statistics.

Using the igraph package to create interactive (and embeddable) network graphs from data in R.

Package author Ari Lamstein shares his tips for creating an email-based R course.

In an EMC-sponsored competition to analyze data generated by a motorcycle racer, both winners used R.

A visualization of the network structure of CRAN packages finds connected communities including one centered the "Hadleyverse".

Using R and A/B testing to evaluate the performance of advertising.

A roundup of press generated by the announcement of the R Consortium.

My reflections on the successful 2015 useR! Conference in Denmark.

Experiences using R Markdown and Github for teaching.

Resources from a tutorial on RHadoop, for using R with Hadoop.

General interest stories (not related to R) in the past month included: a short film about impossible business meetings, filming the motion of guitar strings with just a smartphone, an anthem for R users, a short documentary on the mission to Pluto, a review of "Statistics Done Wrong", and a clever illustration of personal bias.

As always, thanks for the comments and please send any suggestions to me at david@revolutionanalytics.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.