Github user zhengruifeng closed the pull request at:
https://github.com/apache/spark/pull/16654
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GitHub user zhengruifeng opened a pull request:
https://github.com/apache/spark/pull/16654
[SPARK-19303][ML][WIP] Add evaluate method in clustering models
## What changes were proposed in this pull request?
1, add evaluation metric in summary
2, add an evaluate() method
