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https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved MAHOUT-358.
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Resolution: Fixed
Fix Version/s: 0.4
Assignee: Sean Owen
Great. Thanks much to both of you for your help in debugging this. Obviously it
was a pretty subtle issue. This has been very helpful.
I changed it to not output recs when the list is empty, sure.
> the pref value field of output of
> org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative
> -----------------------------------------------------------------------------------------------------
>
> Key: MAHOUT-358
> URL: https://issues.apache.org/jira/browse/MAHOUT-358
> Project: Mahout
> Issue Type: Test
> Components: Collaborative Filtering
> Affects Versions: 0.4
> Reporter: Hui Wen Han
> Assignee: Sean Owen
> Fix For: 0.4
>
> Attachments: 20100407_steer_item_out_part-00000,
> 2010_input_steer_item_in_prefs-1.dat,
> attempt_201004011623_0070_m_000000_0.htm, screenshot-1.jpg, screenshot-2.jpg,
> screenshot-3.jpg
>
>
> In my test the input pref values all is positive.
> the output score value has negative value ,
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