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Posted to dev@commons.apache.org by bu...@apache.org on 2003/06/15 07:05:08 UTC

DO NOT REPLY [Bug 20782] New: - Improve accuracy of updating variance calculation in UnivariateImpl

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=20782

Improve accuracy of updating variance calculation in UnivariateImpl

           Summary: Improve accuracy of updating variance calculation in
                    UnivariateImpl
           Product: Commons
           Version: Nightly Builds
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: Other
         Component: Sandbox
        AssignedTo: commons-dev@jakarta.apache.org
        ReportedBy: HotFusionMan@Yahoo.com


Implement West's algorithm (from Chan and Lewis 1979, Communications of the ACM, pp. 526-
531) for updating the variance when each data value is added.

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