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https://issues.apache.org/jira/browse/MAHOUT-126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12719524#action_12719524
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Grant Ingersoll commented on MAHOUT-126:
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Yeah, still needs the labeling stuff.

As for weights, you should be able to pass in a Weight object.  See the TFIDF 
implementation.  Likely still needs some work.

As for the Lucene error, I thought I had updated the Lucene version to be 
2.9-dev, which I believe makes this all right.

> Prepare document vectors from the text
> --------------------------------------
>
>                 Key: MAHOUT-126
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-126
>             Project: Mahout
>          Issue Type: New Feature
>            Reporter: Shashikant Kore
>            Assignee: Grant Ingersoll
>         Attachments: mahout-126-benson.patch, MAHOUT-126.patch, 
> MAHOUT-126.patch
>
>
> Clustering algorithms presently take the document vectors as input.  
> Generating these document vectors from the text can be broken in two tasks. 
> 1. Create lucene index of the input  plain-text documents 
> 2. From the index, generate the document vectors (sparse) with weights as 
> TF-IDF values of the term. With lucene index, this value can be calculated 
> very easily. 
> Presently, I have created two separate utilities, which could possibly be 
> invoked from another class. 

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