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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

17 hours 6 min ago
by Andrie de Vries Today is the first day of UseR!2015 conference in Aalborg in Northern Denmark.  But yesterday was a day packed with 16 tutorials on a range of interesting topics.  I submitted a proposal many months ago to run a session on using R in Hadoop and was very happy to selected to run a session in the morning.
1 day 19 hours ago
The R community has grown explosively over the past few years, both in terms of the number of R users and the number of companies who rely on R as their data science platform.
2 days 17 hours ago
Mixed models (which include random effects, essentially parameters drawn from a random distribution) are tricky beasts. Throw non-Normal distributions into the mix for Generalized Linear Mixed Models (GLMMs), or go non-linear, and things get trickier still. It was a new field of Statistics when I was working on the Oswald package for S-PLUS, and even 20 years later some major questions have yet to be fully answered (like, how do you calculate the degrees of freedom for a significance test?).

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.