Github user MLnick commented on a diff in the pull request:
https://github.com/apache/spark/pull/13894#discussion_r69132912
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/tuning/CrossValidator.scala ---
@@ -191,7 +194,7 @@ object CrossValidator extends
MLReadable[CrossValidator] {
/**
* :: Experimental ::
- * Model from k-fold cross validation.
+ * CrossValidatorModel model returns the best set of estimators for your
model.
--- End diff --
Perhaps something like `CrossValidatorModel contains the model that
achieved the highest cross-validation metric ( averaged across the number of
folds).`, or something like that.
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