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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:
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Affects Version/s: (was: 2.9)
2.8
> [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: Major
> Fix For: 2.9
>
>
> 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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