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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:25:17 UTC

[jira] [Updated] (SPARK-8341) Significant selector feature transformation

     [ https://issues.apache.org/jira/browse/SPARK-8341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-8341:
--------------------------------
    Labels: bulk-closed  (was: )

> 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
>              Labels: bulk-closed
>
> 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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