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https://issues.apache.org/jira/browse/IGNITE-12274?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Zinoviev updated IGNITE-12274:
-------------------------------------
    Fix Version/s:     (was: 2.9)
                   2.10

> [ML] DecisionTree works incorrectly if maxDeep > amount of features
> -------------------------------------------------------------------
>
>                 Key: IGNITE-12274
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12274
>             Project: Ignite
>          Issue Type: Bug
>          Components: ml
>    Affects Versions: 2.8
>            Reporter: Alexey Zinoviev
>            Assignee: Alexey Zinoviev
>            Priority: Blocker
>             Fix For: 2.10
>
>
> We have a problem in two places: 
> null nodes could be created here *MeanDecisionTreeLeafBuilder.createLeafNode* 
> method in the row *return aa != null ? new DecisionTreeLeafNode(aa[0]) : 
> null;*
> Probably, this situation is arising then the amount of features is smaller 
> than maxDeep



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