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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAHOUT-145) PartialData mapreduce Random Forests
Date Wed, 30 Sep 2009 05:35:32 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-145?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Deneche A. Hakim updated MAHOUT-145:
------------------------------------

    Attachment: partial_Sep_30.patch

committed patch

> PartialData mapreduce Random Forests
> ------------------------------------
>
>                 Key: MAHOUT-145
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-145
>             Project: Mahout
>          Issue Type: New Feature
>          Components: Classification
>    Affects Versions: 0.2
>            Reporter: Deneche A. Hakim
>            Assignee: Deneche A. Hakim
>            Priority: Minor
>             Fix For: 0.2
>
>         Attachments: partial_August_10.patch, partial_August_13.patch, partial_August_15.patch,
partial_August_17.patch, partial_August_19.patch, partial_August_2.patch, partial_August_24.patch,
partial_August_27.patch, partial_August_31.patch, partial_August_9.patch, partial_Sep_15.patch,
partial_Sep_30.patch
>
>
> This implementation is based on a suggestion by Ted:
> "modify the original algorithm to build multiple trees for different portions of the
data. That loses some of the solidity of the original method, but could actually do better
if the splits exposed non-stationary behavior."

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