Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/2780#discussion_r19052547
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/tree/DecisionTree.scala ---
@@ -912,16 +913,18 @@ object DecisionTree extends Serializable with Logging
{
val numSplits = metadata.numSplits(featureIndex)
val numBins = metadata.numBins(featureIndex)
if (metadata.isContinuous(featureIndex)) {
- val numSamples = sampledInput.length
+ val featureSamples = sampledInput.map(lp =>
lp.features(featureIndex))
+ val featureSplits =
findSplitsForContinuousFeature(featureSamples,
+ metadata, featureIndex)
+
+ val numSplits = featureSplits.length
+ val numBins = numSplits + 1
+ logDebug("numSplits= " + numSplits)
--- End diff --
Print feature index too?
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