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From "Thomas Neidhart (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MATH-891) SpearmansCorrelation fails when using NaturalRanking together with NaNStrategy.REMOVED
Date Thu, 08 Nov 2012 18:36:12 GMT

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

Thomas Neidhart updated MATH-891:
---------------------------------

    Affects Version/s: 3.0
    
> 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
>
> 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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