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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2019/01/29 15:19:00 UTC

[jira] [Updated] (SPARK-11215) Add multiple columns support to StringIndexer

     [ https://issues.apache.org/jira/browse/SPARK-11215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen updated SPARK-11215:
------------------------------
            Docs Text: 
When specifying frequencyDesc or frequencyAsc as stringOrderType param in StringIndexer, in case of equal frequency, the order of strings was previously undefined. Since Spark 3.0, strings with equal frequency are further
sorted lexicographically.
    Affects Version/s: 2.4.0
               Labels: release-notes  (was: )

> Add multiple columns support to StringIndexer
> ---------------------------------------------
>
>                 Key: SPARK-11215
>                 URL: https://issues.apache.org/jira/browse/SPARK-11215
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 2.4.0
>            Reporter: Yanbo Liang
>            Assignee: Yanbo Liang
>            Priority: Major
>              Labels: release-notes
>
> Add multiple columns support to StringIndexer, then users can transform multiple input columns to multiple output columns simultaneously. See discussion SPARK-8418.



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