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Posted to issues@commons.apache.org by "Phil Steitz (JIRA)" <ji...@apache.org> on 2011/08/10 09:09:27 UTC

[jira] [Updated] (MATH-287) Add support for weighted descriptive statistics

     [ https://issues.apache.org/jira/browse/MATH-287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Phil Steitz updated MATH-287:
-----------------------------

    Fix Version/s:     (was: 3.0)
                   3.1

Enhancements can be done without breaking compat, so pushing to 3.1

> Add support for weighted descriptive statistics
> -----------------------------------------------
>
>                 Key: MATH-287
>                 URL: https://issues.apache.org/jira/browse/MATH-287
>             Project: Commons Math
>          Issue Type: New Feature
>    Affects Versions: 2.0
>            Reporter: Matthew Rowles
>            Assignee: Phil Steitz
>            Priority: Minor
>             Fix For: 3.1
>
>         Attachments: weightTests.patch, weighted.patch
>
>
> Add support for weighted descriptive statistics, such as weighted variance.
> An example method call would be Variance.evaluate(double[] values, double[] weights, int begin, int length)
> - Suggested by  mickeydog@taosnet.com on the mailing list.

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