Felix Cheung 55964c15a7 [SPARK-18239][SPARKR] Gradient Boosted Tree for R ... ## What changes were proposed in this pull request? Gradient Boosted Tree in R. With a few minor improvements to RandomForest in R. Since this is relatively isolated I'd like to target this for branch-2.1 ## How was this patch tested? manual tests, unit tests Author: Felix Cheung <felixcheung_m@hotmail.com> Closes #15746 from felixcheung/rgbt.		2016-11-08 16:00:45 -08:00
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testthat	[SPARK-18239][SPARKR] Gradient Boosted Tree for R	2016-11-08 16:00:45 -08:00