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Posted to dev@apex.apache.org by "Vlad Rozov (JIRA)" <ji...@apache.org> on 2017/05/14 21:08:04 UTC

[jira] [Created] (APEXMALHAR-2489) Change algorithm for average calculation in RunningAverage

Vlad Rozov created APEXMALHAR-2489:
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             Summary: Change algorithm for average calculation in RunningAverage
                 Key: APEXMALHAR-2489
                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-2489
             Project: Apache Apex Malhar
          Issue Type: Improvement
            Reporter: Vlad Rozov
            Priority: Minor


The algorithm for average calculation is the subject to overflow due to (count * average). It may be better to use http://www.heikohoffmann.de/htmlthesis/node134.html (with modification) to compute the average.



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