[jira] [Updated] (MAHOUT-668) Adding knn support to Mahout classifiers

["Daniel McEnnis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel McEnnis updated MAHOUT-668:
----------------------------------

    Attachment: Mahout-668-2.patch

I really think we should do knn.  I have attached a 29 class patch implementing this.

As originally designed, it is O(1) in memory usage, scales up to models the size of a data node's harddisk, and has implementations for log files, text files, tokenized text files, and Weka ARFF files.

> 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.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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