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Posted to dev@mahout.apache.org by "Gokhan Capan (JIRA)" <ji...@apache.org> on 2012/08/07 13:17:08 UTC

[jira] [Updated] (MAHOUT-1051) InMemoryCollapsedVariationalBayes0 to load input vectors with docIDs

     [ https://issues.apache.org/jira/browse/MAHOUT-1051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gokhan Capan updated MAHOUT-1051:
---------------------------------

    Attachment: MAHOUT-1051.patch

Attached is the patch.
                
> InMemoryCollapsedVariationalBayes0 to load input vectors with docIDs
> --------------------------------------------------------------------
>
>                 Key: MAHOUT-1051
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1051
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Clustering
>    Affects Versions: 0.8
>            Reporter: Gokhan Capan
>            Priority: Minor
>              Labels: cvb, lda
>             Fix For: 0.8
>
>         Attachments: MAHOUT-1051.patch
>
>
> Based upon our conversation with Jake in the user-list, I have modified the o.a.m.clustering.lda.cvb.InMemoryCollapsedVariationalBayes0.loadVectors so that it does not ignore document ids in input. To preserve backwards compatibility, it behaves as it did earlier if a ClassCastException is thrown; which occurs when ids are not integers, and/or the document vector (or getDelegate() if it is a NamedVector) cannot be cast to a RandomAccessSparseVector.

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