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From "Sean Owen (JIRA)" <>
Subject [jira] [Updated] (SPARK-22331) Make MLlib string params case-insensitive
Date Mon, 23 Oct 2017 09:09:00 GMT


Sean Owen updated SPARK-22331:
    Summary: Make MLlib string params case-insensitive  (was: Strength consistency for supporting
string params: case-insensitive or not)

It would mean accepting some parameters like "regparam" where "regParam" was required before,
but the latter continues to work. It wouldn't break things, though would cause some code to
work that didn't before. Consistency is probably worthwhile here, if we can make it all consistent
in one go.

> Make MLlib string params case-insensitive
> -----------------------------------------
>                 Key: SPARK-22331
>                 URL:
>             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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