[ https://issues.apache.org/jira/browse/SPARK-14772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849111#comment-15849111 ] 

Apache Spark commented on SPARK-14772:
--------------------------------------

User 'BryanCutler' has created a pull request for this issue:
https://github.com/apache/spark/pull/16772

> Python ML Params.copy treats uid, paramMaps differently than Scala
> ------------------------------------------------------------------
>
>                 Key: SPARK-14772
>                 URL: https://issues.apache.org/jira/browse/SPARK-14772
>             Project: Spark
>          Issue Type: Bug
>          Components: ML, PySpark
>            Reporter: Joseph K. Bradley
>
> In PySpark, {{ml.param.Params.copy}} does not quite match the Scala implementation:
> * It does not copy the UID
> * It does not respect the difference between defaultParamMap and paramMap.  This is an issue with {{_copyValues}}.



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