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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAHOUT-145) PartialData mapreduce Random Forests
Date Mon, 31 Aug 2009 07:51:32 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_August_31.patch

* Corrected some bugs in the new code when testing in a pseudo-distributed cluster

> PartialData mapreduce Random Forests
> ------------------------------------
>
>                 Key: MAHOUT-145
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-145
>             Project: Mahout
>          Issue Type: New Feature
>          Components: Classification
>            Reporter: Deneche A. Hakim
>            Priority: Minor
>         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
>
>
> 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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