Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/12370#discussion_r61588408
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/tree/impl/BaggedPoint.scala ---
@@ -60,20 +68,24 @@ private[spark] object BaggedPoint {
subsamplingRate: Double,
numSubsamples: Int,
withReplacement: Boolean,
+ extractSampleWeight: (Datum => Double) = (_: Datum) => 1.0,
--- End diff --
Yes, that is exactly the case for this. I could not think of a better way
to implement this, while still keeping bagged point generic (i.e. not requiring
Datum to have a weight property or something similar).
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