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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/06/13 11:04:00 UTC
[jira] [Commented] (SPARK-8341) Significant selector feature
transformation
[ https://issues.apache.org/jira/browse/SPARK-8341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14584510#comment-14584510 ]
Apache Spark commented on SPARK-8341:
-------------------------------------
User 'catap' has created a pull request for this issue:
https://github.com/apache/spark/pull/6795
> 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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