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From "Ted Dunning (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAHOUT-634) Need more online averagers
Date Thu, 24 Mar 2011 17:19:05 GMT
Need more online averagers
--------------------------

                 Key: MAHOUT-634
                 URL: https://issues.apache.org/jira/browse/MAHOUT-634
             Project: Mahout
          Issue Type: Improvement
            Reporter: 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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