Github user yanboliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/12914#discussion_r62285526
--- Diff: python/pyspark/ml/param/__init__.py ---
@@ -280,7 +281,9 @@ def explainParam(self, param):
else:
values.append("undefined")
valueStr = "(" + ", ".join(values) + ")"
- return "%s: %s %s" % (param.name, param.doc, valueStr)
+ # Remove the default value from the doc string
+ docStr = re.sub(r'\(Default [\w\-\s]+?\)\Z', '', param.doc)
+ return "%s: %s %s" % (param.name, docStr, valueStr)
--- End diff --
Further more, I don't think using regex is an elegant way to remove the
default value in users specified docs. Users can use various words to express
```default``` that we can not filter them completely.
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