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Posted to issues@commons.apache.org by "Ajo Fod (JIRA)" <ji...@apache.org> on 2013/05/31 03:46:20 UTC

[jira] [Issue Comment Deleted] (MATH-978) StorelessCovariance to be map/reducable

     [ https://issues.apache.org/jira/browse/MATH-978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ajo Fod updated MATH-978:
-------------------------

    Comment: was deleted

(was: Patch for code ... test patch to follow)
    
> StorelessCovariance to be map/reducable
> ---------------------------------------
>
>                 Key: MATH-978
>                 URL: https://issues.apache.org/jira/browse/MATH-978
>             Project: Commons Math
>          Issue Type: New Feature
>            Reporter: Ajo Fod
>         Attachments: vcs-diff379697336981431068.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> Current version of StorelessCovariance and StorelessBivariateCovariance don't allow adding another StorelessCovariance to an existing one. With this feature it is possible to run maps on different data sets and then do a final reduce to get the overall covariance.

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