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https://issues.apache.org/jira/browse/SPARK-8341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-8341:
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Assignee: (was: Apache Spark)
> Significant selector feature transformation
> -------------------------------------------
>
> Key: SPARK-8341
> URL: https://issues.apache.org/jira/browse/SPARK-8341
> Project: Spark
> Issue Type: New Feature
> Components: MLlib
> Reporter: Kirill A. Korinskiy
> Priority: Minor
>
> Idea of this transformation it safe reduce big vector that was produced by
> Hashing TF for example
> for reduce requirement of memory for manipulation on them.
> This transformation create a model that keep only indices that has different
> values on fit stage.
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