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

A 3-part tutorial on principal components regression in R: part 1, part 2, and part 3.

Implications of the fact that in R, names have objects (and not vice-versa).

Highlights of the R/Finance 2016 conference, according to Joseph Rickert.

A template for predicting maintenance events for aircraft engines, using R.

The "feather" package for fast data exchange between Python and R, now on CRAN.

Microsoft R Open 3.2.5 now available.

There are now R user groups in 223 cities and 55 countries.

A preview of Spark 2.0 and the updated SparkR package.

All the documentation for Microsoft R Server is now available to everyone, online.

The most popular (and controversial) ingredients in pasta carbonara, visualized with R.

Joseph Rickert's guidelines for identifying the best R packages.

"Effective Graphs with Microsoft R Open", a free e-book, is available for download.

Estimating demand for bike rentals in Washington, DC with R.

R Tools for Visual Studio 0.3, an IDE for the R language, is now available.

A brief summary of the changes and new features in R 3.3.0.

A tutorial on installing R packages on a firewalled SQL Server instance.

How to train gradient-boosted trees with Microsoft R Server.

Reproducing results in Efron's 1987 paper "Logistic Regression, Survival Analysis, and the Kaplan-Meier Curve" using R.

General interest stories (not related to R) in the past month included stories about: : the history of Japan, a magnet machine, an audio-visual history of the Billboard Top 5, and roads to Romes.

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

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

Lukasz Piwek recreates classic graphs from Tufte's 'The Visual Display of Quantitative Information' in R.

A preview of upcoming R conferences in Europe.

Andrie de Vries updates the data on R package growth on CRAN, and finds a segmented regression model with break-points in 2007 and 2011 fits the data well.

A Microsoft data scientist compares R, Microsoft R Open and Microsoft R Server.

A webinar on data visualization with Microsoft R Open, presented by Naomi and Joyce Robbins.

Microsoft R Open 3.2.4 now available for Windows, Mac and Linux.

A preview of R/Finance 2016, May 20-21 in Chicago.

Julia Silge releases a CRAN package with the text of Jane Austin's novels, and uses the syuzhet package to map sentiment in the narratives.

Modeling tips paid to taxi drivers in NYC with Microsoft R Server running on HDInsight Hadoop.

A webinar recording (with slides) shows how to scale Microsoft R Server to analyze very large data sets on HDInsight with Apache Spark.

News on recent grants to community projects by the R Consortium (proposals for the next round are due July 10).

The Microsoft Data Science Virtual Machine, which packages many data science tools including R, is now available as a Linux VM.

Buzzfeed used R to visualize the activity of surveillance aircraft used by the US government.

Using Azure ML and R to predict the quality of wine.

A review of the book *Graphical Data Analysis with R* by Antony Unwin.

Montgomery County, MD opened its traffic violation data, and Srini Kumar used SQL Server and R to visualize it.

80% of Airbnb's data scientists use R, and share methods and tools via an internal R package.

Microsoft sponsors a competition using R to evaluate a treatment for brain injury and infer vision from brain waves.

General interest stories (not related to R) in the past month included stories about: the new Thunderbirds, Australian abbreviations, anamorphic illusions, the jet streams of Earth and Jupiter and never-seen YouTube videos.

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

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

Reviews of new CRAN packages RtutoR, lavaan.shiny, dCovTS, glmmsr, GLMMRR, MultivariateRandomForest, genie, kmlShape, deepboost and rEDM.

You can now create and host Jupyter notebooks based on R, for free, in Azure ML Studio.

Calculating learning curves for predictive models with doParallel.

An amusing look at some of R's quirks, by Oliver Keyes.

A recording of a recent talk I gave on real-time predictive analytics, featuring R.

A preview of the New York R Conference.

The R Consortium has funded seven community projects and two working groups for R projects.

A look at several methods for computing and assessing the performance of classification models, with R.

An application to help airlines prevent unexpected maintenance delays, based on predictive models created with R.

Using R to predict the winning basketball team in the March Madness competition.

How to call an R function from an Excel worksheet after it's been published as a service to Azure ML.

You can now use magrittr pipes with the out-of-memory XDF data files used by Microsoft R Server.

Watch the recorded webinar "Data Preparation Techniques with R", and download the free e-book by Nina Zumel.

An R-based application to automatically classify galaxies in the World Wide Telescope was featured in a keynote at Microsoft's Data Driven event.

Microsoft R Server is now available in the Azure Marketplace.

R 3.2.4 was released by the R Core Group on March 10.

Previews of some talks at the Bay Area R Users Group.

R Tools for Visual Studio, which lets you edit and debug R code within Visual Studio, is now available.

A tutorial on creating election maps with R, from ComputerWorld.

A history of the R project since the release of version 1.0.0.

Calculating confidence intervals for Random Forest predictions based on a corrected jackknife estimator.

Microsoft's Data Science Virtual Machine now includes Microsoft R Server.

Using a pet tracker and R to map the movements of a cat.

General interest stories (not related to R) in the past month included: typography in movies, solving a rubiks cube while juggling it, pianograms and a robot rebellion.

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

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

A tutorial on presenting interactive versions of R maps in PowerBI.

An animation of Japan's population pyramid through 2050 based on US Census Bureau demographic projections.

Interactive visualizations of multivariate data in R with the threejs package.

New Zealand's tourism ministry uses R and Shiny to create a public dashboard exploring the economic impact of tourism.

Microsoft uses R to forecast usage of the Xbox One gaming system.

R scores highly in the latest Tiobe and Redmonk language rankings.

A minor update to Microsoft R Open 3.2.3.

Applications from the Bay Area R User Group: simulating poker tournaments, recommending movies, predicting the Oscars,

and analyzing electronic medical records.

Lionel Henry's proposals to improve the syntax of R.

Repositories of talks given to various R user groups.

RStudio now supports user-created add-ins.

Replay of the webinar presented by Derek Norton on Microsoft R Server.

Accessing data in SQL Server on Azure with R.

A look at the R community in Poland.

A tutorial on credit card fraud detection using R and SQL Server.

A replay (with slides) of a recent webinar on Microsoft R Open.

How to use Microsoft R Open with RStudio.

The world's longest commercial flights, mapped with R.

How to use PostgresSQL with R.

Replay of a presentation by Max Kuhn on predictive modeling with R and the caret package.

General interest stories (not related to R) in the past month included: performing accents, realizing a video game world, combining dance and CGI and a mysterious rotating illusion.

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

Animated visualizations and analysis of data from NYC's municipal bike program, created with R.

Many local R user groups are sharing materials from meetups using Github.

A detailed R tutorial on analyzing your Twitter archive and performing sentiment analysis.

How to combine R and Python in Jupyter notebooks.

Many datasets are available for analysis in R using Kaggle's online platform, including the American Community Survey.

Getting started with Markov Chains in R and even more R packages for Markov

Chain analysis.

Replays are available for recent webinars on Microsoft R Open and Microsoft R Server.

Microsoft R Open 3.2.3 (formerly Revolution R Open), and new CRAN Time Machine now available at MRAN.

Overview of parallel computing in R.

R packages providing sources of data.

Visual Studio will soon support the R language.

Microsoft R Server available free to students and developers.

Revolution R is now Microsoft R.

A new ggplot2 extension avoids overlapping text labels.

R played a big part in a scientific breakthrough regarding reproducibility of results.

An online data science course using Microsoft Azure and R.

A review of the 7th R user conference in Spain.

Using network analysis in R to explore connections in the movie "Love Actually".

The most popular posts on the Revolutions blog in 2015.

General interest stories (not related to R) in the past month included: pinball skills, when walking up the escalator is inefficient, Pokemon or Big Data and mimicking famous guitar styles.

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

A look back at accomplishments of the R Project and community in 2015.

Segmented regression with the "segmented" package, applied to long-distance running records.

Creating multi-tab reports in R with knitr and jQuery UI.

New version 2.0 update to ggplot2 adds extensibility and many improvements.

A circle diagram of translations of "Merry Christmas".

Upcoming R events and conferences, and sponsorship for R user groups.

How to embed images in R help pages.

An Azure ML Studio fraud detection template relies heavily on R components.

R is the fastest-growing language on Stackoverflow, as shown in a subway-style rank chart from ggplot2.

Buzzfeed is using R for some (serious!) data journalism.

A tutorial on using SQL Server R Services to analyze a billion taxi rides.

Some suggestions on how to cryptographically store secrets in R code.

Some tips and trade-offs to consider when reading large data files with the RevoScaleR package.

A brief summary of improvements in R 3.2.3.

Implementing Wald's sequential analysis test in R.

Using the gtrendsR package to download and chart Google Trends data.

Distributed data structures in R with the ddR package.

Using the leaflet package to create an interactive, photo-annotated map of GPS data from a hike.

Microsoft Azure's Data Science Virtual Machine includes R.

Feature selection when modeling wide data sets with genetic algorithms using the caret package.

Tips on setting up a virtual machine with RStudio in Azure.

Querying recursive CTEs (common table expressions) in a database with the sqldf package.

General interest stories (not related to R) in the past month included: your Macbook charger has more CPU than the

original Macintosh, how 5 particles can jam a hopper, and a film based on the NASA photo archive.

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

You can use emojis as plotting symbols in ggplot2 charts with the emoGG package.

A review of local R user group activity in 2015.

Giving thanks to the R Core Group.

Some best practices for handling secret API keys in R scripts.

An animated globe showing locations of Marriott and Starwood hotels using the rthreejs package.

PowerBI has added support for R graphics in PowerBI dashboards.

A detailed R-based analysis of over a billion taxi rides in New York City.

Joseph Rickert recommends books for learning the R language and for data analysis in R.

The AzureML package has been updated to allow R functions to connect with workspaces, datasets, and experiments in Azure

ML Studio.

A simulation-based approach to explaining Simpson's Paradox.

Two new surveys show that R continues to be the most popular language for data scientists.

R was featured in many presentations at this year's H2Oworld conference.

Some tips on handling packages when working with R projects.

A new R integration library for JVM developers: fluent-r.

Online investing service Betterment uses R for modeling, analysis and reporting.

Applications of R were presented at the EARL conference by Verizon, Pfizer, Wikipedia, and many others.

Simulating sample data reproducibly using the wakefield package.

Using the RJSONIO package to download Bitcoin exchange data.

A series on using differential privacy for machine learning.

The R Consortium has funded its first community project, and is now accepting proposals for future projects.

General interest stories (not related to R) in the past month included: ball-moving contraptions in Lego, why you can't photograph propellers, fun with magnets, and a dangerous playground in Australia.

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

A video from the PASS 2015 conference in Seattle shows R running within SQL Server 2016. The preview for SQL Server 2016 includes Revolution R Enterprise (as SQL Server R Services).

A way of dealing with confounding variables in experiments: instrumental variable analysis with the ivmodel package for R.

The new dplyrXdf package allows you to manipulate large, out-of-memory data sets in the XDF format (used by the RevoScaleR package) using dplyr syntax.

Some guidelines for using explicit parallel programming (e.g. the parallel package) with the implicit multithreading provided by Revolution R Open.

Ross Ihaka was featured in a full-page advertisement for the University of Auckland in The Economist.

A comparison of fitting decision trees in R with the party and rpart packages.

The foreach suite of packages for parallel programming in R has been updated, and now includes support for progress bars when using doSNOW.

The "reach" package allows you to call Matlab functions directly from R.

A review of support vector machines (SVMs) in R.

A presentation (with sample code) shows how to call Revolution R Enterprise from SQL Server 2016.

A tutorial on using the miniCRAN package to set up packages for use with R in Azure ML.

Asif Salam shows how to use the RDCOMClient package to construct interactive Powerpoint slide shows with R.

A directory of online R courses for all skill levels.

Using R's nls() optimizer to solve a problem in Bayesian inference.

A professor uses the miniCRAN package to deliver R packages to offline facilities in Turkey and Iran.

Amanda Cox, graphics editor at the New York Times, calls R "the greatest software on Earth" in a podcast.

Hadley Wickham answered many questions in a Reddit "Ask Me Anything" session.

A roundup of several talks given at R user group meetings around the world.

General interest stories (not related to R) in the past month included: visualizing the movements of chess pieces, real-time face replication, a world map of antineutrinos, a gender transformation, and a warning about "big data" applications.

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

A tutorial on using R with Jupyter Notebooks and how to control the size of R graphics therein.

A new version of Revolution R Open is available, featuring multi-threaded computing for R 3.2.2.

One benefit of fitting statistical models to large data sets: learning curves.

Using the AzureML package to publish R functions as web services.

The R Consortium forms a committee to oversee projects, headed by Hadley Wickham.

Functions for interpolation in R.

The EARL London conference (preview here) included many applications of R, from AstraZeneca, Allstate, Douwe Egberts coffee and others.

A new online Data Science and Machine Learning course, featuring R and sponsored by Microsoft.

Reading financial time series data into R with the zoo package.

An update to the checkpoint package brings support for knitr and rmarkdown documents in reproducible projects.

The new Microsoft Data Science User Group Program offers sponsorships for R user groups worldwide.

A series on model validation in R using: basic methods; in-training set measures; out-of-sample procedures; and cross-validation techniques.

BlueSky Statistics, a new open-source GUI for R.

Accessing data in Google spreadsheets with the googlesheets package for R.

Antony Unwin on the care of datasets in R packages.

General interest stories (not related to R) in the past month included: building a scale model of the solar system, a new way to visualize the Discrete Fourier Transform, and a Portal-themed remodel.

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.