Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/16009#discussion_r90120095
--- Diff: docs/ml-features.md ---
@@ -1188,7 +1188,9 @@ categorical features. The number of bins is set by
the `numBuckets` parameter. I
that the number of buckets used will be smaller than this value, for
example, if there are too few
distinct values of the input to create enough distinct quantiles.
-NaN values: Note also that QuantileDiscretizer
+NaN values:
+NaN values will be removed from the column when `QuantileDiscretizer`
fitting. This will produce
--- End diff --
"from the column when" -> "from the column during"
"model for making prediction and transformation" -> "model for making
predictions"
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