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