Blog Archives

Financial Times tracks unemployment with R

April 20, 2015
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Financial Times tracks unemployment with R

The FT Data section of the Financial Times now has a neat interactive unemployment tracker (free but onerous registration required) that lets you explore employment rates and trends in EU member countries from 2004-2013: The graphic was created by FT Data Journalist John-Burn Murdoch with R. To automate the process of collecting the underlying data, Murdoch used the R...

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R 3.2.0 released

April 17, 2015
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The R Core Team announced yesterday that the latest update to R, R 3.2.0 (codename: "Full of Ingredients") is now available. As of this writing the source bundle is available for download, but Mac and Windows binaries aren't yet available. You should be able to download them from your local CRAN mirror in the next day or so. This...

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Using R in Myanmar (and other low-bandwidth environments)

April 15, 2015
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Using R in Myanmar (and other low-bandwidth environments)

R is already in use in well over 100 cities around the world, and now we can add another to the list: Yangon, Myanmar. Ben Marwick is a trainer with Software Carpentry (a non-profit organization devoted to improving basic computing skills among researchers in science, engineering, medicine, and other disciplines), and last month he visited the University of Yangon...

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In case you missed it: March 2015 roundup

April 13, 2015
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In case you missed them, here are some articles from March of particular interest to R users. Overview of "Targeted learning" packages for R, including SuperLearner and tmle. The 7 most common R error messages, by frequency of mentions on StackOverflow. Slides and a webinar replay on reproducible data analysis with R and the "checkpoint" package. Joseph Rickert reviews...

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New packages for reading data into R — fast

April 10, 2015
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Hadley Wickham and the RStudio team have created some new packages for R, which will be very useful for anyone who needs to read data into R (that is, everyone). The readr package provides functions for reading text data into R, and the readxl package provides functions for reading Excel spreadsheet data into R. Both are much faster than...

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Association Rules and Market Basket Analysis with R

April 8, 2015
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In today's data-oriented world, just about every retailer has amassed a huge database of purchase transaction. Each transaction consists of a number of products that have been purchased together. A natural question that you could answer from this database is: What products are typically purchased together? This is called Market Basket Analysis (or Affinity Analysis). A closely related question...

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DeployR 7.4 released

April 3, 2015
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A new version of DeployR, the server-based framework that provides simple and secure R integration for application developers, is now available. (If you're new to DeployR, take a look at the DeployR Overview or download the white paper, Using DeployR to Solve the R Integration Problem.) This update brings several new features, including: New R Session Process Controls, which...

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A minor update: Revolution R Open 8.0.2

April 1, 2015
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Revolution R Open 8.0.2 is now available from MRAN. If you're already using Revolution R Open, you won't find any major changes. This release fixes a couple of bugs, includes a new version of the checkpoint package, and splits the installation into two parts on Windows and Linux (with a separate installer for the multithreaded MKL Math libraries, which...

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The most common R error messages

March 30, 2015
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R has something of a reputation for generating, shall we say, obscure error messages like this: Error in model.frame.default(formula = y ~ female + DNC + SE_region + : could not find function "function (object, ...) nobject" One tip for dealing with error messages is to ignore everything between "Error in" and the colon: unless you are running a...

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Replay: Reproducible data analysis with the checkpoint package

March 27, 2015
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Thanks to all who attended my webinar earlier this week, Reproducibility with Revolution R Open and the Checkpoint Package. If you missed the live session, you can catch up with the slides and video replay which I've embedded below. If you just want to check out the demo of the checkpoint package, it starts at 18:30 in the video...

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