Github user MechCoder commented on a diff in the pull request: https://github.com/apache/spark/pull/12374#discussion_r71615183 --- Diff: mllib/src/main/scala/org/apache/spark/ml/tree/impl/RandomForest.scala --- @@ -692,14 +692,20 @@ private[spark] object RandomForest extends Logging { node.stats } - // For each (feature, split), calculate the gain, and select the best (feature, split). - val (bestSplit, bestSplitStats) = - Range(0, binAggregates.metadata.numFeaturesPerNode).map { featureIndexIdx => - val featureIndex = if (featuresForNode.nonEmpty) { - featuresForNode.get.apply(featureIndexIdx) + val validFeatureSplits = + Range(0, binAggregates.metadata.numFeaturesPerNode).view.map { featureIndexIdx => + if (featuresForNode.nonEmpty) { + (featureIndexIdx, featuresForNode.get.apply(featureIndexIdx)) --- End diff -- Is the `apply` here redundant?
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org