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https://issues.apache.org/jira/browse/MAHOUT-552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12935920#action_12935920
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Lance Norskog commented on MAHOUT-552:
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May I propose instead that the Name feature be promoted to the Vector
interface? After, it matches the Bindings feature in Matrix.
As with Matrix Bindings, AbstractVector would implement Name and very few
Vector implementations will have to do anything about it.
And, the Vector classes that wrap a Matrix row or column could then wrap Matrix
row/column Bindings as Names.
> AbstractCluster eliminates NamedVectors by replacing them with
> RandomAccessSparseVector always
> ----------------------------------------------------------------------------------------------
>
> Key: MAHOUT-552
> URL: https://issues.apache.org/jira/browse/MAHOUT-552
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Affects Versions: 0.5
> Reporter: Pere Ferrera Bertran
> Assignee: Jeff Eastman
> Fix For: 0.5
>
> Attachments: MAHOUT-552.patch
>
>
> When clustering using NamedVectors as input - after running seq2sparse with
> patch https://issues.apache.org/jira/browse/MAHOUT-401 - names are lost
> because AbstractCluster replaces vectors coming in the constructor with
> RandomAccessSparseVector.
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