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Posted to issues@commons.apache.org by "Gilles Sadowski (Jira)" <ji...@apache.org> on 2021/06/06 23:48:00 UTC

[jira] [Updated] (MATH-1347) Wrong equation in Javadoc of Percentile.EstimationType, LEGACY, variable estimation

     [ https://issues.apache.org/jira/browse/MATH-1347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles Sadowski updated MATH-1347:
----------------------------------
    Fix Version/s:     (was: 4.0)
                   4.X

> Wrong equation in Javadoc of Percentile.EstimationType, LEGACY, variable estimation
> -----------------------------------------------------------------------------------
>
>                 Key: MATH-1347
>                 URL: https://issues.apache.org/jira/browse/MATH-1347
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.6
>         Environment: Windows 7
>            Reporter: Richard Brunauer
>            Priority: Trivial
>              Labels: documentation
>             Fix For: 4.X
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> The Javadoc entry for Enum Percentile.EstimationType LAGACY uses a wrong equation for variable estimate. 
> Explaination in version 3.0, 3.6 source code and 3.6 semantics do an interpolation between two values. The quation for variable estimation has only a ceiling function. This does not match. 



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