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https://issues.apache.org/jira/browse/IGNITE-9064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16568109#comment-16568109
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ASF GitHub Bot commented on IGNITE-9064:
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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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