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https://issues.apache.org/jira/browse/MAHOUT-65?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12727440#action_12727440
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Sean Owen commented on MAHOUT-65:
---------------------------------
OK ready to submit, after I fixed a bone-headed NPE in the patch.
Some tests in VectorTest fail, but I think they are actually wrong -- and
passed before due to this bug. The test creates a labelled Vector,
serializes/deserializes, but then expects it to be unbound?
> Add Element Labels to Vectors and Matrices
> ------------------------------------------
>
> Key: MAHOUT-65
> URL: https://issues.apache.org/jira/browse/MAHOUT-65
> Project: Mahout
> Issue Type: New Feature
> Components: Matrix
> Affects Versions: 0.1
> Reporter: Jeff Eastman
> Assignee: Jeff Eastman
> Attachments: Clone_changes.patch, MAHOUT-65-name.patch,
> MAHOUT-65-name.patch, MAHOUT-65-name.patch, MAHOUT-65.patch,
> MAHOUT-65b.patch, MAHOUT-65c.patch, MAHOUT-65d.patch
>
>
> Many applications can benefit by accessing elements in vectors and matrices
> using String labels in addition to numeric indices. Investigate adding such a
> capability.
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