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Posted to issues@commons.apache.org by "Gilles (JIRA)" <ji...@apache.org> on 2014/11/12 12:22:33 UTC

[jira] [Resolved] (MATH-1167) OLSMultipleLinearRegression STILL needs a way to specify non-zero singularity threshold when instantiating QRDecomposition

     [ https://issues.apache.org/jira/browse/MATH-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles resolved MATH-1167.
--------------------------
       Resolution: Fixed
    Fix Version/s: 3.4

Fixed in commit 301ad592142079d36f4d33f5309c103c7f4f5dfb
Thanks for the report and patch.


> OLSMultipleLinearRegression STILL needs a way to specify non-zero singularity threshold when instantiating QRDecomposition
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MATH-1167
>                 URL: https://issues.apache.org/jira/browse/MATH-1167
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.3
>         Environment: jdk1.7_71, OSX 10.10
>            Reporter: Neil Ireson
>            Priority: Critical
>             Fix For: 3.4
>
>
> A fix was made for this issue in MATH-1110 for the newSampleData method but not for the newXSampleData method.
> It's a simple change to propagate the threshold to QRDecomposition:
> 237c237
> <         qr = new QRDecomposition(getX());
> ---
> >         qr = new QRDecomposition(getX(), threshold);



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