[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854371#action_12854371 ] Sean Owen commented on MAHOUT-358: -- Yes, I know how the method works. That's as I expected

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854375#action_12854375 ] Sebastian Schelter commented on MAHOUT-358: --- I ran the job with some test data

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854383#action_12854383 ] Hui Wen Han commented on MAHOUT-358: I have some finding : I debug as following: code:

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854387#action_12854387 ] Hui Wen Han commented on MAHOUT-358: it seems that we got the dirty data here;

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854432#action_12854432 ] Sean Owen commented on MAHOUT-358: -- The output is helpful. I am more confused, we may be

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854437#action_12854437 ] Hui Wen Han commented on MAHOUT-358: here is the question from test. 1) the value has

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854445#action_12854445 ] Sean Owen commented on MAHOUT-358: -- 1) Your input file shows negative user and item IDs,

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854452#action_12854452 ] Sebastian Schelter commented on MAHOUT-358: --- My results looked kinda strange

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854453#action_12854453 ] Hui Wen Han commented on MAHOUT-358: please see the screen shot ,

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854473#action_12854473 ] Sean Owen commented on MAHOUT-358: -- Yes, looks like the same kind of output you posted

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854482#action_12854482 ] Hui Wen Han commented on MAHOUT-358: hi,Sean maybe we need order it in the reduce job

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854485#action_12854485 ] Hui Wen Han commented on MAHOUT-358: I tested use the latest code ,it also has

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854516#action_12854516 ] Sebastian Schelter commented on MAHOUT-358: --- I updated to revision 931566 and

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854530#action_12854530 ] Hui Wen Han commented on MAHOUT-358: I see the latest is 931569 the pref value field

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854568#action_12854568 ] Hui Wen Han commented on MAHOUT-358: it's very good now,thanks Sean! :) only one

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854580#action_12854580 ] Hui Wen Han commented on MAHOUT-358: what's the reason ? cause by PriorityQueue? the

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854587#action_12854587 ] Sean Owen commented on MAHOUT-358: -- I think the cause must have been related to the

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12853919#action_12853919 ] Hui Wen Han commented on MAHOUT-358: I used the latest code test again , the final

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12853929#action_12853929 ] Sean Owen commented on MAHOUT-358: -- Maybe it also clarifies to say: those valus are *not*

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12853977#action_12853977 ] Hui Wen Han commented on MAHOUT-358: I have no negative ratings. the pref value

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12853983#action_12853983 ] Hui Wen Han commented on MAHOUT-358: I will debug and tell you the result . Thanks :)

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854073#action_12854073 ] Hui Wen Han commented on MAHOUT-358: if use Text as the out format ,everything is ok.

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854077#action_12854077 ] Sean Owen commented on MAHOUT-358: -- You mean that you do not see those negative values?

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12854317#action_12854317 ] Hui Wen Han commented on MAHOUT-358:

[jira] Commented: (MAHOUT-358) the pref value field of output of org.apache.mahout.cf.taste.hadoop.item.RecommenderJob has negative

[ https://issues.apache.org/jira/browse/MAHOUT-358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12852785#action_12852785 ] Sean Owen commented on MAHOUT-358: -- Having decimal values is normal. Negative values are