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[SPARK-3159][ML] Add decision tree pruning #20632

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[SPARK-3159][ML] Add decision tree pruning #20632

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[SPARK-3159][ML] Add decision tree pruning
asolimando Feb 17, 2018
0183678
[SPARK-3159][ML] decision tree pruning, unit tests now checking the t…
asolimando Mar 2, 2018
3dfe86c
[SPARK-3159][ML] decision tree pruning, added missing curly braces
asolimando Mar 2, 2018
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[SPARK-3159][ML] decision tree pruning, added missing curly braces
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@asolimando
asolimando committed Mar 2, 2018
commit 3dfe86c8376c705137d3b2ae57565a3c30d4a96d
3 changes: 2 additions & 1 deletion mllib/src/test/scala/org/apache/spark/ml/tree/impl/RandomForestSuite.scala
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Expand Up @@ -709,7 +709,7 @@ private object RandomForestSuite {
}

@tailrec
private def getSumLeafCounters(nodes: List[Node], acc: Long = 0): Long =
private def getSumLeafCounters(nodes: List[Node], acc: Long = 0): Long = {
if (nodes.isEmpty) {
acc
}
Expand All @@ -719,4 +719,5 @@ private object RandomForestSuite {
case l: LeafNode => getSumLeafCounters(nodes.tail, acc + l.impurityStats.count)
}
}
}
}