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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2015/12/08 13:22:11 UTC

[jira] [Updated] (SPARK-11439) Optimization of creating sparse feature without dense one

     [ https://issues.apache.org/jira/browse/SPARK-11439?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen updated SPARK-11439:
------------------------------
    Assignee: Nakul Jindal

> Optimization of creating sparse feature without dense one
> ---------------------------------------------------------
>
>                 Key: SPARK-11439
>                 URL: https://issues.apache.org/jira/browse/SPARK-11439
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: Kai Sasaki
>            Assignee: Nakul Jindal
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> Currently, sparse feature generated in {{LinearDataGenerator}} needs to create dense vectors once. It is cost efficient to prevent from generating dense feature when creating sparse features.



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