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https://issues.apache.org/jira/browse/SPARK-29464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16951241#comment-16951241
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Huaxin Gao commented on SPARK-29464:
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I will work on this. Thanks!
> PySpark ML should expose Params.clear() to unset a user supplied Param
> ----------------------------------------------------------------------
>
> Key: SPARK-29464
> URL: https://issues.apache.org/jira/browse/SPARK-29464
> Project: Spark
> Issue Type: Improvement
> Components: ML, PySpark
> Affects Versions: 3.0.0
> Reporter: Bryan Cutler
> Priority: Minor
>
> PySpark ML currently has a private {{_clear()}} method that will unset a
> param. This should be made public to match the Scala API and give users a way
> to unset a user supplied param. Care should be take to ensure param values
> are synced with the JVM and also work with save/load persistence.
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