Github user yanboliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/12079#discussion_r58072522
--- Diff: python/pyspark/ml/feature.py ---
@@ -512,6 +512,16 @@ class HashingTF(JavaTransformer, HasInputCol,
HasOutputCol, HasNumFeatures, Java
.. versionadded:: 1.3.0
"""
+ """
+ Binary toggle to control term frequency counts.
+ If true, all non-zero counts are set to 1. This is useful for
discrete probabilistic
+ models that model binary events rather than integer counts.
+ (default = False)
+ """
+ binary = Param(Params._dummy(), "binary",
+ "Binary toggle to control term frequency counts",
--- End diff --
We should keep the doc of the Param consistent with Scala.
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