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https://issues.apache.org/jira/browse/SPARK-7425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14540585#comment-14540585
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Joseph K. Bradley commented on SPARK-7425:
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Should we not just support all NumericType sub-types?
> 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: Improvement
> Components: ML
> Reporter: Joseph K. Bradley
> Priority: Minor
> Labels: starter
>
> 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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