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Posted to dev@mahout.apache.org by "Sean Owen (Commented) (JIRA)" <ji...@apache.org> on 2011/11/01 13:52:32 UTC

[jira] [Commented] (MAHOUT-838) Make the confusion matrix writable to a file when testing classifiers

    [ https://issues.apache.org/jira/browse/MAHOUT-838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13141114#comment-13141114 ] 

Sean Owen commented on MAHOUT-838:
----------------------------------

Lance, there are still unresolved issues in this patch. For example, look at the "/tmp" issue I noted earlier. And now for example you're making a LinkedHashMap into a HashMap when I'm not sure that's correct.

To close this out, I will try to put this into a committable form on my end, and if it's all pretty minor I'll just commit it to move forward.
                
> Make the confusion matrix writable to a file when testing classifiers
> ---------------------------------------------------------------------
>
>                 Key: MAHOUT-838
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-838
>             Project: Mahout
>          Issue Type: Improvement
>    Affects Versions: 0.6
>            Reporter: Grant Ingersoll
>            Priority: Minor
>         Attachments: ConfusionMatrix.java, MAHOUT-838.patch, MAHOUT-838.patch, MAHOUT-838.patch, MAHOUT-838.patch, MAHOUT-838_mini.patch, MatrixWritable.java, bayes-cm-10.html
>
>
> If you have a lot of labels for a classifier, the confusion matrix is hard to fit in terminal window.  Would be nice if we could write it out to a file.

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