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Posted to dev@mahout.apache.org by "Dmitriy Lyubimov (JIRA)" <ji...@apache.org> on 2012/09/12 18:56:08 UTC

[jira] [Assigned] (MAHOUT-1067) SSVD enhancements: +named vector propagation to U, +USigma output

     [ https://issues.apache.org/jira/browse/MAHOUT-1067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitriy Lyubimov reassigned MAHOUT-1067:
----------------------------------------

    Assignee: Dmitriy Lyubimov
    
> SSVD enhancements: +named vector propagation to U, +USigma output
> -----------------------------------------------------------------
>
>                 Key: MAHOUT-1067
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1067
>             Project: Mahout
>          Issue Type: Bug
>            Reporter: Dmitriy Lyubimov
>            Assignee: Dmitriy Lyubimov
>            Priority: Trivial
>
> 1) PCA will benefit from outputting U*Sigma product.
> 2) Dimentionality reduction pipelines need NamedVector propagation to U, U*Sigma or U*Sigma^0.5.

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