Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/14597#discussion_r78910882
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/feature/ChiSqSelector.scala ---
@@ -171,14 +166,48 @@ object ChiSqSelectorModel extends
Loader[ChiSqSelectorModel] {
/**
* Creates a ChiSquared feature selector.
- * @param numTopFeatures number of features that selector will select
- * (ordered by statistic value descending)
- * Note that if the number of features is less than
numTopFeatures,
- * then this will select all features.
*/
-@Since("1.3.0")
-class ChiSqSelector @Since("1.3.0") (
- @Since("1.3.0") val numTopFeatures: Int) extends Serializable {
+@Since("2.1.0")
--- End diff --
Likewise the class is still "since 1.3.0"
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