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https://issues.apache.org/jira/browse/SPARK-7425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph K. Bradley resolved SPARK-7425.
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       Resolution: Fixed
    Fix Version/s: 2.0.0

Issue resolved by pull request 10355
[https://github.com/apache/spark/pull/10355]

> spark.ml Predictor should support other numeric types for label
> ---------------------------------------------------------------
>
>                 Key: SPARK-7425
>                 URL: https://issues.apache.org/jira/browse/SPARK-7425
>             Project: Spark
>          Issue Type: Sub-task
>          Components: ML
>            Reporter: Joseph K. Bradley
>            Assignee: Benjamin Fradet
>            Priority: Minor
>             Fix For: 2.0.0
>
>
> Currently, the Predictor abstraction expects the input labelCol type to be 
> DoubleType, but we should support other numeric types.  This will involve 
> updating the PredictorParams.validateAndTransformSchema method.



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