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https://issues.apache.org/jira/browse/SPARK-9977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-9977:
-----------------------------------

    Assignee: Apache Spark

> The usage of a label generated by StringIndexer
> -----------------------------------------------
>
>                 Key: SPARK-9977
>                 URL: https://issues.apache.org/jira/browse/SPARK-9977
>             Project: Spark
>          Issue Type: Improvement
>          Components: Documentation
>    Affects Versions: 1.4.1
>            Reporter: Kai Sasaki
>            Assignee: Apache Spark
>            Priority: Trivial
>              Labels: documentaion
>
> By using {{StringIndexer}}, we can obtain indexed label on new column. So a 
> following estimator should use this new column through pipeline if it wants 
> to use string indexed label. 
> I think it is better to make it explicit on documentation. 



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