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https://issues.apache.org/jira/browse/MATH-1490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16914729#comment-16914729
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Gilles commented on MATH-1490:
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I'm asking that you please check whether the _Commons_ _Math_ (CM) code was
modified by the developers team, i.e. the code which you _call_ (to get the
number "68.95").
> Percentile computational accuracy issue
> ---------------------------------------
>
> Key: MATH-1490
> URL: https://issues.apache.org/jira/browse/MATH-1490
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.4, 3.4.1, 3.5, 3.6, 3.6.1
> Environment: System: Linux testinglab 4.4.0-131-generic
> #157~14.04.1-Ubuntu
> Java version "1.8.0_191"
> Java(TM) SE Runtime Environment (build 1.8.0_191-b12)
> Java HotSpot(TM) 64-Bit Server VM (build 25.191-b12, mixed mode)
>
>
> Reporter: xia0c
> Assignee: Rob Tompkins
> Priority: Major
> Labels: performance
> Attachments: BugDemo.java
>
>
> The percentile method works well on the older versions, e.g., the version
> before 3.4. However, when I update commons-math to the newer version, there
> produces a computational accuracy issue. There is a backward compatibility
> bug behind it.
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