[jira] [Updated] (MAHOUT-634) Need more online averagers

["Ted Dunning (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Dunning updated MAHOUT-634:
-------------------------------

    Affects Version/s: 0.5
               Status: Patch Available  (was: Open)

This implements time averaging and rate averaging with test coverage for both.

I will commit shortly if I don't hear otherwise.

> Need more online averagers
> --------------------------
>
>                 Key: MAHOUT-634
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-634
>             Project: Mahout
>          Issue Type: Improvement
>    Affects Versions: 0.5
>            Reporter: Ted Dunning
>            Assignee: Ted Dunning
>
> I am occasionally seeing a need to do exponential averaging of values or rates.
> Hbase guys want this as well.
> So it is time to do it.  I have a patch that does the averaging of values according to
> http://tdunning.blogspot.com/2011/03/exponential-weighted-averages-with.html
> I will attach that as a patch now and do the rate averaging as well before committing.

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