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https://issues.apache.org/jira/browse/SPARK-16969?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-16969.
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Resolution: Incomplete
> GBTClassifier needs a raw prediction column
> -------------------------------------------
>
> Key: SPARK-16969
> URL: https://issues.apache.org/jira/browse/SPARK-16969
> Project: Spark
> Issue Type: Bug
> Reporter: Vladimir Feinberg
> Priority: Major
> Labels: bulk-closed
>
> When working with a skewed-label dataset I found the GBTClassifier pretty
> unusable because it performs an automatic thresholding at the halfway point,
> without exposing the raw prediction.
> This prevents use of different thresholds and any of the
> BinaryClassificationEvaluator tools.
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