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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2017/06/09 07:50:18 UTC

[jira] [Commented] (SPARK-21027) Parallel One vs. Rest Classifier

    [ https://issues.apache.org/jira/browse/SPARK-21027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044102#comment-16044102 ] 

Sean Owen commented on SPARK-21027:
-----------------------------------

I don't see a reason for multiple JIRAs. Parallel in what sense? I don't see any detail here.

> Parallel One vs. Rest Classifier
> --------------------------------
>
>                 Key: SPARK-21027
>                 URL: https://issues.apache.org/jira/browse/SPARK-21027
>             Project: Spark
>          Issue Type: New Feature
>          Components: PySpark
>    Affects Versions: 2.2.0, 2.2.1
>            Reporter: Ajay Saini
>
> Adding a class called ParOneVsRest that includes support for a parallelism parameter in a one vs. rest implementation. A parallel one vs. rest implementation gives up to a 2X speedup when tested on a dataset with 181024 points. A ticket for the Scala implementation of this classifier is here: https://issues.apache.org/jira/browse/SPARK-21028



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