Today Revolution Analytics announced a partnership with Kaggle to provide Revolution R Enterprise software for free to participants in Kaggle's data contests. Competitors can download the software here.

Revolution is a company that provides commercial support and tools for the statistical programming language R (see our previous coverage). Kaggle hosts data analysis competitions for organizations such as such as Deloitte, NASA, Wikipedia and The Heritage Health Network.

Kaggle reports that 50% of its contest winners submit data models written in R, and nearly 1/3 of contestants cite R as their preferred data analysis tool. David Smith of R-bloggers highlights this chart of the results:

Revolution has published a white paper on the use of R in Kaggle contests.

Also, a poll by found that 34% of respondents do at least half of their data mining in R.