dongjoon-hyun commented on code in PR #44179:
URL: https://github.com/apache/spark/pull/44179#discussion_r1415952748
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mllib/src/main/scala/org/apache/spark/mllib/tree/impurity/Entropy.scala:
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@@ -112,7 +112,7 @@ private[spark] class EntropyAggregator(numClasses: Int)
* @param offset Start index of stats for this (node, feature, bin).
*/
def getCalculator(allStats: Array[Double], offset: Int): EntropyCalculator =
{
- new EntropyCalculator(allStats.view.slice(offset, offset + statsSize -
1).toArray,
+ new EntropyCalculator(allStats.slice(offset, offset + statsSize - 1),
Review Comment:
This kind of simple replacements looks good definitely.
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