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https://issues.apache.org/jira/browse/MAHOUT-861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebastian Schelter resolved MAHOUT-861.
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Resolution: Fixed
Fix Version/s: 0.6
Nice spot, Gokhan, thank you very much.
> Simultaneously update left and right vectors while training
> ExpectationMaximizationSVDFactorizer
> ------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-861
> URL: https://issues.apache.org/jira/browse/MAHOUT-861
> Project: Mahout
> Issue Type: Bug
> Components: Collaborative Filtering
> Affects Versions: 0.6
> Reporter: Gokhan Capan
> Assignee: Sebastian Schelter
> Priority: Minor
> Fix For: 0.6
>
> Attachments: MAHOUT-861.patch
>
>
> I guess the updates on left and right vectors in
> ExpectationMaximizationSVDFactorizer#train(int i, int j, int f, SVDPreference
> pref) should be done simultaneously according to the original algorithm
> (http://sifter.org/~simon/journal/20061211.html)
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