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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

1 day 1 hour ago
What happens when you offer a dog a treat, but then make it vanish via sleight of hand? This:   Like Sullivan, I'm surprised these dogs are fooled at all, and can't tell where the treat is by scent. That's all for this week. See you on Monday!
1 day 5 hours ago
The Mountain View Voice is a weekly newspaper serving the Silicon Valley area, and is a familiar sight to anyone wandering the streets of Palo Alto or Menlo Park. Angela Hey writes for 'Hey Tech!', an online blog of the Voice, and has just published a feature on R and the local Bay Area User Group (BARUG).
1 day 6 hours ago
A couple of weeks ago, I participated in a panel discussion for DM Radio: "Still Sexy? How's that Data Scientist Gig Working Out?". The title was provocative, but the discussion mostly revolved around the rise of data science and how advanced analytics (often implemented with R) is changing the way many companies do business today.

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.