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https://issues.apache.org/jira/browse/MATH-978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13671057#comment-13671057
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Ajo Fod commented on MATH-978:
------------------------------
Includes code and test patch.
> 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-diff1930559867411001739.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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