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From "Gokhan Capan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAHOUT-1051) InMemoryCollapsedVariationalBayes0 to load input vectors with docIDs
Date Tue, 07 Aug 2012 11:17:08 GMT
Gokhan Capan created MAHOUT-1051:
------------------------------------

             Summary: 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
             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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