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https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854568#action_12854568
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Hui Wen Han commented on MAHOUT-358:
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it's very good now,thanks Sean! :)
only one little issue ,can ignore line that has no recommendations ?
-2146704409350804772
[-5143306609724270245:0.0,-6887672525304767274:0.0,-7869337437647864448:0.0,1143520528292887196:0.0,4565256005884091248:0.0,-403573745216718449:0.0]
-2140684086652787668
[5066321748533664330:3.33,-6196380629601347193:2.22,1388936500341917293:2.22,-5143306609724270245:2.22,-6887672525304767274:2.22,-403573745216718449:2.22,4000074642144994975:0.0,1471545749001003492:0.0,8619821060300841906:0.0,-8796495370659715938:0.0]
-2087578807957211564 [3693944382462874249:0.0]
-2084997234534227590 []
-1994184181161252808 []
-1956807977260853620 []
-1905139778468734800 []
-1897443610249479948 []
-1861747039795463904 []
-1783644832320395644 []
-1759587438285537664 []
-1598157027497721376 []
-1524111942416072322 []
-1508995658783890206 []
-1478238285808155750 []
-1473372051895027798 []
-1360993164612489840 []
-1170376071408489552 [-8608197272004918866:0.0,-8235449048613678861:0.0]
-1106281807063652538 []
> 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
> 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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