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https://issues.apache.org/jira/browse/SPARK-7762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph K. Bradley resolved SPARK-7762.
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Resolution: Fixed
Fix Version/s: 1.4.0
Issue resolved by pull request 6289
[https://github.com/apache/spark/pull/6289]
> Set default value for outputCol based on UID
> --------------------------------------------
>
> Key: SPARK-7762
> URL: https://issues.apache.org/jira/browse/SPARK-7762
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 1.4.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
> Fix For: 1.4.0
>
>
> For transformers in the middle of a pipeline, users may not care about the
> output column names. We can set the default value of outputCol based on the
> UID, instead of forcing users to name one.
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