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From: Aaron Perrin [mailto:aper...@gravyanalytics.com] Sent: Tuesday, January 31, 2017 9:42 AM To: user @spark <user@spark.apache.org> Subject: Multiple quantile calculations I want to calculate quantiles on two different columns. I know that I can calculate them with two separate operations. However, for performance reasons, I'd like to calculate both with one operation. Is this possible to do this with the Dataset API? I'm assuming that it isn't. But, if it isn't, is it possible to calculate both in one pass, assuming that I made some code changes? I briefly looked at the approxQuantile code, but I haven't dug into the algorithm.
