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https://issues.apache.org/jira/browse/SPARK-9077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-9077:
-----------------------------------

    Assignee: Apache Spark

> Improve error message for decision trees when numExamples < 
> maxCategoriesPerFeature
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-9077
>                 URL: https://issues.apache.org/jira/browse/SPARK-9077
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>            Reporter: Joseph K. Bradley
>            Assignee: Apache Spark
>            Priority: Trivial
>              Labels: starter
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> See [SPARK-9075]'s discussion for details.  We should improve the current 
> error message to recommend that the user remove the high-arity categorical 
> features.



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