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https://issues.apache.org/jira/browse/SPARK-14730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-14730:
------------------------------------
Assignee: Apache Spark
> Expose ColumnPruner as feature transformer
> ------------------------------------------
>
> Key: SPARK-14730
> URL: https://issues.apache.org/jira/browse/SPARK-14730
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Reporter: Jacek Laskowski
> Assignee: Apache Spark
> Priority: Minor
>
> From d...@spark.apache.org:
> {quote}
> Jacek:
> Came across `private class ColumnPruner` with "TODO(ekl) make this a
> public transformer" in scaladoc, cf.
> https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/ml/feature/RFormula.scala#L317.
> Why is this private and is there a JIRA for the TODO(ekl)?
> {quote}
> {quote}
> Yanbo Liang:
> This is due to ColumnPruner is only used for RFormula currently, we did not
> expose it as a feature transformer.
> Please feel free to create JIRA and work on it.
> {quote}
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