Github user yanboliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/15212#discussion_r84042201
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/feature/ChiSqSelector.scala ---
@@ -72,11 +72,15 @@ private[feature] trait ChiSqSelectorParams extends
Params
def getPercentile: Double = $(percentile)
/**
- * The highest p-value for features to be kept.
- * Only applicable when selectorType = "fpr".
+ * alpha means the highest p-value for features to be kept when select
type is "fpr".
+ * alpha means the highest uncorrected p-value for features to be kept
when select type
--- End diff --
```, or the highest ...```
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