[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854453#action_12854453 ]
Hui Wen Han commented on MAHOUT-358: ------------------------------------ please see the screen shot , https://issues.apache.org/jira/secure/attachment/12441026/screenshot-3.jpg the value of the final output has negative . it may been caused by hadoop , maybe it the intermediate phase ,it read and write the float value using write and readFields mothod, it use toString method just in the final output . > 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 , -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.