zhengruifeng commented on a change in pull request #30468:
URL: https://github.com/apache/spark/pull/30468#discussion_r529256642
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File path: mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
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@@ -551,6 +563,21 @@ object ALSModel extends MLReadable[ALSModel] {
model
}
}
+
+ /** select top indices based on values. */
+ private[recommendation] class TopSelector(val values: Array[Float]) {
Review comment:
I will consider whether a class is needed.
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