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https://issues.apache.org/jira/browse/MATH-1361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17643952#comment-17643952
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Alex Herbert commented on MATH-1361:
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o.a.c.math4.stats.ranking has been moved to the Commons Statistics project.
The units tests for NaturalRanking have been updated to assert that the RANDOM
strategy assigns ties randomly among the tied data.
> "NaturalRankingTest" broken?
> ----------------------------
>
> Key: MATH-1361
> URL: https://issues.apache.org/jira/browse/MATH-1361
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.6.1
> Reporter: Gilles Sadowski
> Priority: Major
> Labels: test
> Fix For: 4.X
>
>
> As reported on the ["dev" ML|http://markmail.org/message/2oqkvx33arjj34lz],
> the test method
> {noformat}
> testNaNsFixedTiesRandom()
> {noformat}
> reports failure for more than 96 out of 100 seed values.
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