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https://issues.apache.org/jira/browse/SPARK-3381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph K. Bradley resolved SPARK-3381.
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Resolution: Fixed
Fix Version/s: 1.4.0
Target Version/s: 1.4.0
> DecisionTree: eliminate bins for unordered features
> ---------------------------------------------------
>
> Key: SPARK-3381
> URL: https://issues.apache.org/jira/browse/SPARK-3381
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.1.0
> Reporter: Joseph K. Bradley
> Assignee: Manoj Kumar
> Priority: Trivial
> Fix For: 1.4.0
>
>
> Code simplification: DecisionTree currently allocates bins for unordered
> features (in findSplitsBins). However, those bins are not needed; only the
> splits are required. This change will require modifying findSplitsBins, as
> well as modifying a few other functions to use splits instead of bins.
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