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From "Weichen Xu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-22331) Strength consistency for supporting string params: case-insensitive or not
Date Mon, 23 Oct 2017 08:31:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-22331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16214813#comment-16214813
] 

Weichen Xu commented on SPARK-22331:
------------------------------------

I checked, `ParamValidator.inArray` used in many places, these used places are all treated
as case-sensitive. But turning them into case-insensitive will break current behavior. Any
good way to solve this ?

> Strength consistency for supporting string params: case-insensitive or not
> --------------------------------------------------------------------------
>
>                 Key: SPARK-22331
>                 URL: https://issues.apache.org/jira/browse/SPARK-22331
>             Project: Spark
>          Issue Type: Improvement
>          Components: MLlib
>    Affects Versions: 2.2.0
>            Reporter: yuhao yang
>            Priority: Minor
>
> Some String params in ML are still case-sensitive, as they are checked by ParamValidators.inArray.
> For consistency in user experience, there should be some general guideline in whether
String params in Spark MLlib are case-insensitive or not. 
> I'm leaning towards making all String params case-insensitive where possible.



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