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Posted to issues@ignite.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/08/03 11:21:00 UTC

[jira] [Commented] (IGNITE-9064) Decision tree optimization

    [ https://issues.apache.org/jira/browse/IGNITE-9064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16568109#comment-16568109 ] 

ASF GitHub Bot commented on IGNITE-9064:
----------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/ignite/pull/4436


> Decision tree optimization
> --------------------------
>
>                 Key: IGNITE-9064
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9064
>             Project: Ignite
>          Issue Type: Improvement
>          Components: ml
>            Reporter: Yury Babak
>            Assignee: Alexey Platonov
>            Priority: Major
>             Fix For: 2.7
>
>
> We need to optimize impurity function calculation by additional index structure for all sorted features and reusing it in learning iterations.



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