Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/15212#discussion_r84043926 --- Diff: mllib/src/main/scala/org/apache/spark/ml/feature/ChiSqSelector.scala --- @@ -104,6 +108,9 @@ private[feature] trait ChiSqSelectorParams extends Params * `kbest` chooses the `k` top features according to a chi-squared test. * `percentile` is similar but chooses a fraction of all features instead of a fixed number. * `fpr` chooses all features whose false positive rate meets some threshold. + * `fpr` select features based on a false positive rate test. --- End diff -- This has two lines for fpr. The existing text is more descriptive.
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