You are viewing a plain text version of this content. The canonical link for it is here.
Posted to dev@mahout.apache.org by "Grant Ingersoll (JIRA)" <ji...@apache.org> on 2011/08/02 23:38:27 UTC
[jira] [Commented] (MAHOUT-688) High Document Frequency pruning for
seq2sparse
[ https://issues.apache.org/jira/browse/MAHOUT-688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13078452#comment-13078452 ]
Grant Ingersoll commented on MAHOUT-688:
----------------------------------------
Vasil,
Any time to update this? If you can put up a new patch, I can look to review it soon and get it committed.
> High Document Frequency pruning for seq2sparse
> ----------------------------------------------
>
> Key: MAHOUT-688
> URL: https://issues.apache.org/jira/browse/MAHOUT-688
> Project: Mahout
> Issue Type: Improvement
> Reporter: Vasil Vasilev
> Assignee: Grant Ingersoll
> Priority: Minor
> Labels: Vectorization
> Fix For: 0.6
>
> Attachments: MAHOUT-688.patch, MAHOUT-688.patch
>
>
> This improvement allows to prune the words with high document frequencies from the tf and tf-idf vectors produced by seq2sparse, based on the standard deviation of the words' document frequencies and specifying which rods to be pruned in a means of times this standard deviation. One good option is 3 times the standard deviation
--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira