bugGNU Octave - Bugs: bug #51927, [octave forge] (statistics)...

 
 

bug #51927: [octave forge] (statistics) Failure in unit test of ttest function

Submitted by:  Rafael Laboissiere <rlaboiss>
Submitted on:  Sun 03 Sep 2017 07:10:57 PM UTC  
 
Category: Octave Forge PackageSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Incorrect Result
Status: NoneAssigned to: None
Originator Name: Open/Closed: Open
Release: otherOperating System: GNU/Linux

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Sun 03 Sep 2017 08:10:31 PM UTC, comment #1:

I did not realize that the change that I proposed below was already committed:

https://sourceforge.net/p/octave/statistics/ci/195f3463961950877deded611c4e575d1b9794e5/

This bug report can be closed.

Rafael Laboissiere <rlaboiss>
Sun 03 Sep 2017 07:10:57 PM UTC, original submission:

One the unit tests for the ttest function of the statistics package fails on my system (amd64 Debian with Octave 4.2, statistics 1.3.0):

This happens due to a floating-point precision peculiarity, exposed by the following code:

The attached patch fixes the problem.

Rafael Laboissiere <rlaboiss>

 

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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Sun 03 Sep 2017 07:10:57 PM UTCrlaboissAttached File-=>Added pval-in-ttest-unit-test.patch, #41722

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