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https://issues.apache.org/jira/browse/MAHOUT-668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13040839#comment-13040839
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Ted Dunning commented on MAHOUT-668:
------------------------------------

Daniel, 

What exactly do you mean by model update?

My confusion stems from the fact that online algorithms have nothing but 
update.  Just load the model and start calling train with new data.  Then save 
it.

That seems simple enough that I suspect I don't understand the question.


> Adding knn support to Mahout classifiers
> ----------------------------------------
>
>                 Key: MAHOUT-668
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-668
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Classification
>    Affects Versions: 0.6
>            Reporter: Daniel McEnnis
>              Labels: classification, knn
>         Attachments: MAHOUT-668.pat, Mahout-668-2.patch, Mahout-668-3.patch, 
> Mahout-668-3.patch, Mahout-668-3.patch, Mahout-668-3.patch, 
> Mahout-668-3.patch, Mahout-668-3.patch, Mahout-668.pat
>
>   Original Estimate: 672h
>  Remaining Estimate: 672h
>
> Initial implementation of the knn.  This is a minimum base set with many more 
> possible add-ons including support for text and weka input as well as a 
> classify only (no confusion matrix) back end.  The system was tested on the 
> 20 newsgroup data set.

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