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Posted to issues@ignite.apache.org by "Alexey Zinoviev (Jira)" <ji...@apache.org> on 2019/10/09 11:21:00 UTC
[jira] [Created] (IGNITE-12274) [ML] DecisionTree works incorrectly
if maxDeep > amount of features
Alexey Zinoviev created IGNITE-12274:
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Summary: [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: 2.9
Reporter: Alexey Zinoviev
Assignee: Alexey Zinoviev
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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