[jira] Assigned: (MAHOUT-398) Seq2sparse outputs final vectors to different directories depending upon the TF/TFIDF weight switch. This is confusing to users.

["Drew Farris (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAHOUT-398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Drew Farris reassigned MAHOUT-398:
----------------------------------

    Assignee: Drew Farris

Committed revision 949649. eliminated separate tfidf directory for tfidf vector output.

> Seq2sparse outputs final vectors to different directories depending upon the TF/TFIDF weight switch. This is confusing to users.
> --------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAHOUT-398
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-398
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Utils
>    Affects Versions: 0.3
>            Reporter: Jeff Eastman
>            Assignee: Drew Farris
>             Fix For: 0.4
>
>         Attachments: MAHOUT-398.patch
>
>
> In TF mode, seq2sparse puts the output vectors into <output>/vectors. In TFIDF mode; however, it puts the output vectors into <output>/tfidf/vectors. This happens because the IDF calculation - if it is selected - happens after TF and uses the TF vectors for its input.
> Seems like both modes ought to output to a consistent directory structure so changing the switch does not change the final output location: perhaps as simple as changing TF to output to <output>/tf/vectors so that the contents of both directories when present are more obvious from their nomenclature.

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