Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/15574#discussion_r84956369
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/regression/GBTRegressor.scala ---
@@ -123,9 +123,17 @@ class GBTRegressor @Since("1.4.0") (@Since("1.4.0")
override val uid: String)
val oldDataset: RDD[LabeledPoint] = extractLabeledPoints(dataset)
val numFeatures = oldDataset.first().features.size
val boostingStrategy =
super.getOldBoostingStrategy(categoricalFeatures, OldAlgo.Regression)
+
+ val instr = Instrumentation.create(this, oldDataset)
+ instr.logParams(params: _*)
+ instr.logNumFeatures(numFeatures)
+ instr.logNumClasses(0)
--- End diff --
Actually, I'm going to leave RF the way it is since it has been logging
numClasses as zero for regression since it was created.
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