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Posted to issues@commons.apache.org by "Kexin Xie (JIRA)" <ji...@apache.org> on 2016/08/31 03:39:21 UTC

[jira] [Commented] (MATH-1381) BinomialTest P-value > 1

    [ https://issues.apache.org/jira/browse/MATH-1381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15450960#comment-15450960 ] 

Kexin Xie commented on MATH-1381:
---------------------------------

I have a fix in https://github.com/apache/commons-math/pull/43

> BinomialTest P-value > 1
> ------------------------
>
>                 Key: MATH-1381
>                 URL: https://issues.apache.org/jira/browse/MATH-1381
>             Project: Commons Math
>          Issue Type: Bug
>            Reporter: Wang Qiang
>
> When I use the Binomial Test, I got p-value > 1 for two sided check.
> Example:
> (new BinomialTest()).binomialTest(200, 200, 0.9950429, AlternativeHypothesis.TWO_SIDED) == 1.3701357550780435
> In my case, if the expected p-value is 1 (calculated by package in other language, scipy in this case), the p-value returned could be > 1



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