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https://issues.apache.org/jira/browse/SPARK-24719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16566425#comment-16566425
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Xiangrui Meng commented on SPARK-24719:
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[~mgaido] Sorry it was my bad! The error happened when a user tried
BisectingKMeans with ClusterEvaluator and CrossValidator. So I reported the
issue here. The error was actually from DoubleParam instead of the evaluator.
I'll do some investigation. Closing this ticket for now. Thanks for taking a
look!
> ClusteringEvaluator supports integer type labels
> ------------------------------------------------
>
> Key: SPARK-24719
> URL: https://issues.apache.org/jira/browse/SPARK-24719
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 2.3.1
> Reporter: Xiangrui Meng
> Priority: Major
>
> ClusterEvaluator should support integer labels because we output integer
> labels in BisectingKMeans.
> [https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/ml/clustering/BisectingKMeans.scala#L77].
> We should cast numeric types to double in ClusteringEvaluator.
> [~mgaido] Do you have time to work on the fix?
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