Github user mpjlu commented on a diff in the pull request:
https://github.com/apache/spark/pull/15647#discussion_r85311619
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/feature/ChiSqSelector.scala ---
@@ -44,67 +44,78 @@ private[feature] trait ChiSqSelectorParams extends
Params
/**
* Number of features that selector will select (ordered by statistic
value descending). If the
* number of features is less than numTopFeatures, then this will select
all features.
- * Only applicable when selectorType = "kbest".
+ * Only applicable when selectorType = "numTopFeatures".
* The default value of numTopFeatures is 50.
*
* @group param
*/
+ @Since("1.6.0")
final val numTopFeatures = new IntParam(this, "numTopFeatures",
"Number of features that selector will select, ordered by statistics
value descending. If the" +
--- End diff --
ordered by pValue ascending. I missed this change in my PR.
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