Github user WeichenXu123 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19994#discussion_r157391859
--- Diff: python/pyspark/ml/regression.py ---
@@ -155,6 +183,14 @@ def intercept(self):
"""
return self._call_java("intercept")
+ @property
+ @since("2.3.0")
+ def scale(self):
+ """
+ The value by which \|y - X'w\| is scaled down when loss is "huber".
--- End diff --
add doc "When square loss the value is 1.0"
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