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Posted to dev@mahout.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/02/27 03:28:46 UTC

[jira] [Commented] (MAHOUT-1926) Linear Regression Model can generate p-values outside of [0,1]

    [ https://issues.apache.org/jira/browse/MAHOUT-1926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15885079#comment-15885079 ] 

ASF GitHub Bot commented on MAHOUT-1926:
----------------------------------------

GitHub user rawkintrevo opened a pull request:

    https://github.com/apache/mahout/pull/288

    MAHOUT-1926 Fix p-value calculation

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/rawkintrevo/mahout mahout-1926

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/mahout/pull/288.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #288
    
----
commit 197a536b97fc4cb03ce9359dca8178c488786bb8
Author: rawkintrevo <tr...@gmail.com>
Date:   2017-02-27T03:27:10Z

    MAHOUT-1926 Fix p-value calculation

----


> Linear Regression Model can generate p-values outside of [0,1]
> --------------------------------------------------------------
>
>                 Key: MAHOUT-1926
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1926
>             Project: Mahout
>          Issue Type: Bug
>          Components: Algorithms
>    Affects Versions: 0.13.0
>            Reporter: Trevor Grant
>            Assignee: Trevor Grant
>             Fix For: 0.13.0
>
>
> Anecdotally, the p-values reported by the ordinary least squares model (utilizing the functionality in the parent, LinearRegressionFitter) have been reported outside the range of [0,1] which is nonsensical. 
> Need to recreate problem with toy data set, fix, and add test. 



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