imatiach-msft commented on a change in pull request #21632:
[SPARK-19591][ML][MLlib] Add sample weights to decision trees
URL: https://github.com/apache/spark/pull/21632#discussion_r246473229
##########
File path:
mllib/src/main/scala/org/apache/spark/ml/tree/impl/DecisionTreeMetadata.scala
##########
@@ -115,7 +122,14 @@ private[spark] object DecisionTreeMetadata extends
Logging {
}
require(numFeatures > 0, s"DecisionTree requires number of features > 0, "
+
s"but was given an empty features vector")
- val numExamples = input.count()
+ val (numExamples, weightSum) = input.aggregate((0L, 0.0))(
+ (acc, x) => (acc, x) match {
Review comment:
marking as resolved (please reopen if new update has issues)
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
