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Function of the day

Construct the path to a file from components in a platform-independent way.

Package of the day

This package implements a data structure similar to hashes in Perl and dictionaries in Python but with a purposefully R flavor. For objects of appreciable size, access using hashes outperforms native named lists and vectors.

Question of the day

On general request, a community wiki on producing latex tables in R. In this post I'll give an overview of the most commonly used packages and blogs with code for producing latex tables from less straight-forward objects. Please feel free to add any I missed, and/or give tips, hints and little tricks on how to produce nicely formatted latex tables with R.

Recent blog posts

4 hours 45 min ago
Mike Cavaretta is Ford Motor Company’s Chief Data Scientist, and was tasked by the incoming CEO Alan Mulally to help change the culture so that "important decisions within the company had to be based on data". In a feature article at Dataconomy, he reveals that R is a big part of this revolution at Ford: 
1 day 20 hours ago
Todd Schneider's blog post on solving the traveling salesman problem with R hit the front page of This is a big deal: front-page placement on the popular social news site can drive a ton of traffic (in Todd's case, 1.3 million pageviews).

Featured How To

The following list of data sources has been modified as of 3/18/14. Most of the data sets listed below are free, however, some are not.