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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 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

Introduction

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.

Check out this visualization (via notreble) of the bassline in Ain't No Mountain High Enough, featuring Marvin Gaye and Tammi Terrell:

 

The visualization of legendary Motown bassist James Jamerson is by Vulfpeck's Jack Stratton.

That's all for this week. Have a great weekend, and we'll see you on Monday!

A new version of DeployR, the server-based framework that provides simple and secure R integration for application developers, is now available.