linkedin/datafu — pull request #5 by jwills (2011-10-24 18:25:23+00:00)
Title: Add a streaming quantile UDF.

I used this function in the adverse drug event analysis that Mike Olson presented at Web2.0 last week. It is based on a Sawzall table that I found very useful when I needed to compute quantiles on data that didn't fit in memory.