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https://issues.apache.org/jira/browse/SPARK-11215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16102274#comment-16102274
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Weichen Xu commented on SPARK-11215:
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I will take over this feature and create a PR soon.
> Add multiple columns support to StringIndexer
> ---------------------------------------------
>
> Key: SPARK-11215
> URL: https://issues.apache.org/jira/browse/SPARK-11215
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: Yanbo Liang
> Assignee: Yanbo Liang
>
> Add multiple columns support to StringIndexer, then users can transform
> multiple input columns to multiple output columns simultaneously. See
> discussion SPARK-8418.
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