[SPARK-8971][ML] Add stratified sampling to ML CrossValidator and TrainValidationSplit#14321

Closed

sethah wants to merge 4 commits intoapache:masterfrom

sethah:Working_on_SPARK-8971

Commits on Jul 20, 2016

Adding stratified sampling to cross validation and train validation split in ml/tuning
sethah
committed

Commits on Jul 22, 2016