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https://issues.apache.org/jira/browse/MAHOUT-65?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12613262#action_12613262
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Ted Dunning commented on MAHOUT-65:
-----------------------------------
It is a fair preference to prefer that the labels be loosely bound to vectors,
but I would prefer otherwise. Obviously, either of us could live with the
opposing view.
The idea that the label should be more than a string is interesting. I am not
sure if it should have such an elaborate structure, as opposed to something
based on inheritance more like this:
{code:java}
interface Label {
String getName()
}
class StringLabel extends Label {
String name;
String getName() {return name}
}
class OrdinalLabel extends Label { ... }
{code}
and so on. Note that I only use interface here for clarity of exposition. I
know your antipathy to interfaces and preference for abstract classes.
Also, what do you mean by a label with type "real"?
> 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
> Reporter: Jeff Eastman
> Attachments: MAHOUT-65.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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