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https://issues.apache.org/jira/browse/SPARK-13068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15189537#comment-15189537
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Seth Hendrickson commented on SPARK-13068:
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That sounds good. I will plan on implementing some "standard" type conversions
for reuse (like lists/vectors/numpy), in the same vein as standard param
validators are implemented in Scala.
> Extend pyspark ml paramtype conversion to support lists
> -------------------------------------------------------
>
> Key: SPARK-13068
> URL: https://issues.apache.org/jira/browse/SPARK-13068
> Project: Spark
> Issue Type: Improvement
> Components: ML, PySpark
> Reporter: holdenk
> Priority: Trivial
>
> In SPARK-7675 we added type conversion for PySpark ML params. We should
> follow up and support param type conversion for lists and nested structures
> as required. This blocks having all PySpark ML params having type information.
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