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From "Lance Norskog (Issue Comment Edited) (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (MAHOUT-838) Make the confusion matrix writable to a file when testing classifiers
Date Sat, 22 Oct 2011 06:04:32 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13133255#comment-13133255
] 

Lance Norskog edited comment on MAHOUT-838 at 10/22/11 6:04 AM:
----------------------------------------------------------------

Replace these files with the uploaded versions;
ConfusionMatrix.java
MatrixWritable.java

Then, apply the MAHOUT-838_mini.patch. 

Somehow, my patch generation and applying tools are wildly confused by the previous patch.
Also, they do not give the option to merely replace a file. Perhaps it because it is Friday.
Perhaps it is because I'm using Cygwin. Perhaps it is merely because _I am bad_. Whatever
the reason, I cannot create that standard patch for this upgrade. 
                
      was (Author: lancenorskog):
    Replace these two files, then apply the latest MAHOUT-838.patch. Somehow, my patch generation
and applying tools are wildly confused by the previous patch. Also, they do not give the option
to merely replace a file.
                  
> 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
>            Reporter: Grant Ingersoll
>            Priority: Minor
>         Attachments: ConfusionMatrix.java, 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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