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https://issues.apache.org/jira/browse/MATH-784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13264706#comment-13264706
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Sébastien Brisard commented on MATH-784:
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The Statistical Reference Datasets from NIST provide reference values of the 
standard deviation of the parameters for many datasets. In {{r1332086}} these 
values are used to test {{guessParametersErrors()}}.
                
> Javadoc of AbstractLeastSquaresOptimizer.guessParametersErrors() is too vague
> -----------------------------------------------------------------------------
>
>                 Key: MATH-784
>                 URL: https://issues.apache.org/jira/browse/MATH-784
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.0
>            Reporter: Sébastien Brisard
>            Assignee: Sébastien Brisard
>              Labels: javadoc, optimization
>             Fix For: 3.1
>
>
> This bug report follows a recent discussion available 
> [here|http://mail-archives.apache.org/mod_mbox/commons-dev/201204.mbox/%3C20120418122114.GB32074%40dusk.harfang.homelinux.org%3E].
>  It is now recognized that the values returned by {{guessParametersErrors()}} 
> are in fact known as (asymptotic) standard errors. The javadoc should be made 
> more explicit. Besides, the values returned by this method should be tested. 
> The reference datasets from [NIST|http://www.itl.nist.gov/div898/strd/] are 
> to be used.

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