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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2015/06/21 19:46:00 UTC

[jira] [Resolved] (MATH-1236) Improve Kolmogorov-Smirnov statistic for two samples

     [ https://issues.apache.org/jira/browse/MATH-1236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Neidhart resolved MATH-1236.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: 3.6
                   4.0

Fixed in the following commits:

 * 4.0: 276e22858cdd56f5725e0c2f7a3522df99967973
 * 3.6: 70c713a3e88f250cb54fa0f224f0effe5d81cc95

Thanks for the report and patch!

> Improve Kolmogorov-Smirnov statistic for two samples
> ----------------------------------------------------
>
>                 Key: MATH-1236
>                 URL: https://issues.apache.org/jira/browse/MATH-1236
>             Project: Commons Math
>          Issue Type: Improvement
>            Reporter: Otmar Ertl
>             Fix For: 4.0, 3.6
>
>         Attachments: patch
>
>
> I reimplemented the Kolmogorov-Smirnov test statistic for two samples because of its problems with identical values. Although its already fixed in the meantime (see MATH-1197), the proposed code is an improvement, because it is simpler and does not require binary searches.



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