Github user jkbradley commented on a diff in the pull request: https://github.com/apache/spark/pull/10186#discussion_r49677569 --- Diff: mllib/src/main/scala/org/apache/spark/ml/feature/ChiSqSelector.scala --- @@ -119,6 +121,9 @@ final class ChiSqSelectorModel private[ml] ( /** list of indices to select (filter). Must be ordered asc */ val selectedFeatures: Array[Int] = chiSqSelector.selectedFeatures + /** Java-friendly version of [[selectedFeatures]]. */ + def javaSelectedFeatures: java.util.List[Int] = selectedFeatures.toSeq.asJava --- End diff -- This isn't needed for Java, so I'd make it a private API. But hopefully we can remove this altogether once [https://github.com/apache/spark/pull/10724] gets merged.
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