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https://issues.apache.org/jira/browse/MATH-1205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Neidhart updated MATH-1205:
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Attachment: (was: MATH-1205.patch)
> AbstractStorelessUnivariateStatistic should not extend
> AbstractUnivariateStatistic
> ----------------------------------------------------------------------------------
>
> Key: MATH-1205
> URL: https://issues.apache.org/jira/browse/MATH-1205
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.4.1
> Reporter: Thomas Neidhart
>
> For a storeless statistic it is wrong to extend AbstractUnivariateStatistic
> as various fields and methods are inherited that do not make sense in case of
> a storeless statistic.
> This means a user can accidentially use a storeless statistic in a wrong way:
> {code}
> Mean mean = new Mean();
>
> mean.increment(1);
> mean.increment(2);
>
> mean.setData(new double[] { 1, 2, 3});
>
> System.out.println(mean.getResult());
> System.out.println(mean.evaluate());
> {code}
> will output
> {noformat}
> 1.5
> 2.0
> {noformat}
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