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https://issues.apache.org/jira/browse/SPARK-22397?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Pentreath updated SPARK-22397:
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Description: Once SPARK-20542 adds multi column support to {{Bucketizer}},
we can add multi column support to the {{QuantileDiscretizer}} too.
> Add multiple column support to QuantileDiscretizer
> --------------------------------------------------
>
> Key: SPARK-22397
> URL: https://issues.apache.org/jira/browse/SPARK-22397
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.2.0
> Reporter: Nick Pentreath
>
> Once SPARK-20542 adds multi column support to {{Bucketizer}}, we can add
> multi column support to the {{QuantileDiscretizer}} too.
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