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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/04/15 20:12:58 UTC

[jira] [Closed] (SPARK-6916) StringIndexer should preserve non-ML metadata

     [ https://issues.apache.org/jira/browse/SPARK-6916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph K. Bradley closed SPARK-6916.
------------------------------------
          Resolution: Not A Problem
    Target Version/s:   (was: 1.4.0)

> StringIndexer should preserve non-ML metadata
> ---------------------------------------------
>
>                 Key: SPARK-6916
>                 URL: https://issues.apache.org/jira/browse/SPARK-6916
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 1.4.0
>            Reporter: Joseph K. Bradley
>            Priority: Minor
>
> StringIndexer sets the output column metadata to hold the ML-specific metadata created after indexing the column.  It does not carry over non-ML metadata from the input column.  I figure it should.  (That's the behavior I used for VectorIndexer.)
> Ping [~mengxr]



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