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Posted to dev@mahout.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2011/03/22 17:17:05 UTC

[jira] [Resolved] (MAHOUT-630) Small bug in WeightedRunningAverage; add WeightedRunningAverageAndStdDev

     [ https://issues.apache.org/jira/browse/MAHOUT-630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved MAHOUT-630.
------------------------------

    Resolution: Fixed

> Small bug in WeightedRunningAverage; add WeightedRunningAverageAndStdDev
> ------------------------------------------------------------------------
>
>                 Key: MAHOUT-630
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-630
>             Project: Mahout
>          Issue Type: Bug
>          Components: Collaborative Filtering
>    Affects Versions: 0.4
>            Reporter: Sean Owen
>            Assignee: Sean Owen
>            Priority: Minor
>              Labels: average, standard-deviation, weighted
>             Fix For: 0.5
>
>         Attachments: MAHOUT-630.patch
>
>
> There's a problem in the WeightedRunningAverage handling of a new weighted datum. While looking at that I said, hey, we could use WeightedRunningAverageAndStdDev to go with it. And some tests.

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