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Posted to issues@commons.apache.org by "Luc Maisonobe (JIRA)" <ji...@apache.org> on 2013/04/07 11:17:22 UTC

[jira] [Closed] (MATH-891) SpearmansCorrelation fails when using NaturalRanking together with NaNStrategy.REMOVED

     [ https://issues.apache.org/jira/browse/MATH-891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luc Maisonobe closed MATH-891.
------------------------------


Closing issue as version 3.2 has been released on 2013-04-06.
                
> SpearmansCorrelation fails when using NaturalRanking together with NaNStrategy.REMOVED
> --------------------------------------------------------------------------------------
>
>                 Key: MATH-891
>                 URL: https://issues.apache.org/jira/browse/MATH-891
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.0
>            Reporter: Thomas Neidhart
>             Fix For: 3.2
>
>         Attachments: MATH-891.patch
>
>
> As reported by Martin Rosellen on the users mailinglist:
> Using a NaturalRanking with a REMOVED NaNStrategy can result in an exception when NaN are contained in the input arrays.
> The current implementation just removes the NaN values where they occur, without taken care to remove the corresponding values in the other array.

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