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https://issues.apache.org/jira/browse/MAHOUT-1059?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Dunning updated MAHOUT-1059:
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Attachment: 0001-MAHOUT-1059-Added-Centroid-WeightedVector-Delegating.patch
Here is a patch that provides the matrix and vectors needed for the clustering
stuff.
The missing bits are that I want to add a few more tests to DelegatingVector,
Centroid and WeightedVector. We should also resolve the name conflict with the
other Centroid class we have somewhere in Mahout (possibly by letting the
conflict remain).
> New matrix extensions
> ---------------------
>
> Key: MAHOUT-1059
> URL: https://issues.apache.org/jira/browse/MAHOUT-1059
> Project: Mahout
> Issue Type: Improvement
> Components: Math
> Reporter: Ted Dunning
> Fix For: 0.8
>
> Attachments:
> 0001-MAHOUT-1059-Added-Centroid-WeightedVector-Delegating.patch
>
>
> The upcoming clustering needs several capabilities to support different
> operations. These include some matrix extensions for adding behaviors to
> different kinds of matrices. Also there is a file based matrix that uses
> mmap to access a file as if it were a matrix in shared memory. Since this is
> off-heap and shared between processes, it can seriously help some programs.
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