Github user jkbradley commented on the issue:
https://github.com/apache/spark/pull/21090
**To review this PR**: This was copied from
https://github.com/apache/spark/pull/15770 with the following changes:
* Addressed comments in original PR (See my review comments there)
* Added Param validators for required input columns
* Renamed âweightsâ column to âsimilaritiesâ
* Made algorithm take more types of inputs: Long/Int and Double/Float
* Removed test("set parameters") since setters are already tested in the
read/write test.
If you saw the previous PR, you should be able to review this one based on
the last 3 commits, viewable in this diff:
https://github.com/jkbradley/spark/compare/5cb8ed6...wangmiao1981-pic
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