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https://issues.apache.org/jira/browse/SPARK-20610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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darion yaphet closed SPARK-20610.
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Resolution: Won't Fix
> Support a function get DataFrame/DataSet from Transformer
> ---------------------------------------------------------
>
> Key: SPARK-20610
> URL: https://issues.apache.org/jira/browse/SPARK-20610
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Affects Versions: 2.0.2, 2.1.0
> Reporter: darion yaphet
>
> We are using stages to build our machine learning pipeline. Transformer will
> transformers input dataset into another output dataset as our dataframe.
> Sometime we will test the dataframe's result when developing the pipeline.
> But it is looks like difficulty to running a test . If spark ml Stages could
> support a interface to explore the dataframe processed by the stage , we
> could use it to running test .
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