Github user MechCoder commented on a diff in the pull request:
https://github.com/apache/spark/pull/4677#discussion_r25062848
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/tree/GradientBoostedTrees.scala ---
@@ -76,8 +77,42 @@ class GradientBoostedTrees(private val boostingStrategy:
BoostingStrategy)
def run(input: JavaRDD[LabeledPoint]): GradientBoostedTreesModel = {
run(input.rdd)
}
-}
+ /**
+ * Method to validate a gradient boosting model
+ * @param input Training dataset: RDD of
[[org.apache.spark.mllib.regression.LabeledPoint]].
+ * @param input Validation dataset: RDD of
[[org.apache.spark.mllib.regression.LabeledPoint]].
+ * @return a gradient boosted trees model that can be used for prediction
+ */
+ def runWithValidation(
+ trainInput: RDD[LabeledPoint],
+ validateInput: RDD[LabeledPoint]): GradientBoostedTreesModel = {
--- End diff --
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