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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 to teach 23 archaeologists how to use R.

Space is big. Really big. And, surprisingly, is still seems positively enormous even at the speed of light. Hop on this spaceship of the imagination, ignore the effects of time dilation, and follow a photon from the sun to beyond Jupiter in this humbling video by Alphonse Swinehart:

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.

It's nice to see my current favourite Australian band, Boy and Bear, starting to get some traction over here in the States. The single from their latest album, Southern Sun, is excellent — but what I really wanted to share is the music video:

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 the functions you're probably using now.

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 is: Can we find relationships between certain products, which indicate the purchase of other products?

by Ari Lamstein


Today I will walk through an analysis of San Francisco Zip Code Demographics using my new R package choroplethrZip. This package creates choropleth maps of US Zip Codes and connects to the US Census Bureau. A choropleth is a map that shows boundaries of regions (such as zip codes) and colors those regions according to some metric (such as population).

It’s official! We announced back in January that Microsoft would acquire Revolution Analytics and today, that process is complete. Revolution Analytics is now a wholly-owned subsidiary of Microsoft, the Revolution Analytics team are now Microsoft employees, and we couldn’t be more excited.