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Posted to reviews@spark.apache.org by sethah <gi...@git.apache.org> on 2016/12/02 02:23:58 UTC
[GitHub] spark pull request #16009: [SPARK-18318][ML] ML, Graph 2.1 QA: API: New Scal...
Github user sethah commented on a diff in the pull request:
https://github.com/apache/spark/pull/16009#discussion_r90577450
--- 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 during `QuantileDiscretizer` fitting. This will produce
+a `Bucketizer` model for making predictions. During the transformation, `Bucketizer`
--- End diff --
Thanks for clarifying that!
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