[jira] [Commented] (MAHOUT-1185) MemoryDiffStorage.class has a bug for slope one algorithm which could cause incorrect recommendation results

2013-04-02 Thread Cunlu Zou (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619589#comment-13619589 ] Cunlu Zou commented on MAHOUT-1185: --- Please check the code carefully, there are two var

[jira] [Comment Edited] (MAHOUT-1185) MemoryDiffStorage.class has a bug for slope one algorithm which could cause incorrect recommendation results

2013-04-02 Thread Cunlu Zou (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619589#comment-13619589 ] Cunlu Zou edited comment on MAHOUT-1185 at 4/2/13 7:30 AM: --- Ple

[jira] [Reopened] (MAHOUT-1185) MemoryDiffStorage.class has a bug for slope one algorithm which could cause incorrect recommendation results

2013-04-02 Thread Cunlu Zou (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Cunlu Zou reopened MAHOUT-1185: --- Please check the code carefully, there are two variables calcuated in the processOneUser function, the

[jira] [Updated] (MAHOUT-1185) MemoryDiffStorage.class has a bug for slope one algorithm which could cause incorrect recommendation results

2013-04-02 Thread Cunlu Zou (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Cunlu Zou updated MAHOUT-1185: -- Attachment: MemoryDiffStorage.patch Sorry, I made a mistake on the length, here is the correct patch

Re: [jira] [Reopened] (MAHOUT-1185) MemoryDiffStorage.class has a bug for slope one algorithm which could cause incorrect recommendation results

2013-04-02 Thread Sean Owen
OK I will have another look. That makes more sense. I think the index still has to be adjusted but that's simple. On Apr 2, 2013 8:37 AM, "Cunlu Zou (JIRA)" wrote: > > [ > https://issues.apache.org/jira/browse/MAHOUT-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel] > >

Re: [jira] [Created] (MAHOUT-1152) mRMR feature selection algorithm

2013-04-02 Thread Claudio Reggiani
After one month I'd like to know if this new feature is interesting for Mahout, or I didn't get any reply because nobody noticed it. If it is not good enough I could first publish it on github on my account. 2013/3/6 Claudio Reggiani (JIRA) > Claudio Reggiani created MAHOUT-1152: >

[jira] [Resolved] (MAHOUT-1185) MemoryDiffStorage.class has a bug for slope one algorithm which could cause incorrect recommendation results

2013-04-02 Thread Sean Owen (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen resolved MAHOUT-1185. --- Resolution: Fixed Fix Version/s: 0.8 Done, this can actually be a one-liner change to loop to

[jira] [Updated] (MAHOUT-1185) MemoryDiffStorage.class has a bug for slope one algorithm which could cause incorrect recommendation results

2013-04-02 Thread Sean Owen (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-1185: -- Labels: (was: patch) Priority: Minor (was: Major) > MemoryDiffStorage.class has a bug for

Jenkins build is still unstable: Mahout-Quality #1945

2013-04-02 Thread Apache Jenkins Server
See

[jira] [Commented] (MAHOUT-1185) MemoryDiffStorage.class has a bug for slope one algorithm which could cause incorrect recommendation results

2013-04-02 Thread Hudson (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619752#comment-13619752 ] Hudson commented on MAHOUT-1185: Integrated in Mahout-Quality #1945 (See [https://builds

Re: [jira] [Created] (MAHOUT-1152) mRMR feature selection algorithm

2013-04-02 Thread Ted Dunning
Can you suggest detailed use cases? In my experience explicit variable selection is not a common strategy in machine learning at scale. If anything, the use of regularizers has driven things in another direction entirely. On Tue, Apr 2, 2013 at 10:34 AM, Claudio Reggiani wrote: > After one mo

Re: Jenkins build is still unstable: Mahout-Quality #1945

2013-04-02 Thread Ted Dunning
I did this. It had been bothering me that checkstyle reports were not being generated or linked to. So I added the checkstyle:checkstyle goal to the list of mvn goals. The result was a score of 40,000. For some reason, the system ignored everything that Sebastian did in tuning the checkstyle co

Re: [jira] [Created] (MAHOUT-1152) mRMR feature selection algorithm

2013-04-02 Thread Claudio Reggiani
I created a repository on Github with the source code, the jar file and an example https://github.com/Nophiq/Mahout I can provide you two use cases. In Bioinformatics feature selection is used to detect which genes mainly affects the result, and in Fraud Detection feature selection is used to buil

Mahout-1025, Need input

2013-04-02 Thread Saikat Kanjilal
Hello Mahout dev Folks, Can a comitter who's working on or can help with Mahout-1025 respond to my latest jira comments. Thanks again. Regards

Re: Mahout-1025, Need input

2013-04-02 Thread Ted Dunning
Jake? Any new papers on LDA that need references? On Tue, Apr 2, 2013 at 10:27 PM, Saikat Kanjilal wrote: > Hello Mahout dev Folks, > Can a comitter who's working on or can help with Mahout-1025 respond to my > latest jira comments. Thanks again. > Regards >

[jira] [Commented] (MAHOUT-1025) Update documentation for LDA before the release.

2013-04-02 Thread Sebastian Schelter (JIRA)
[ https://issues.apache.org/jira/browse/MAHOUT-1025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13620267#comment-13620267 ] Sebastian Schelter commented on MAHOUT-1025: Regarding 3) its perfectly fine

Jenkins build is back to stable : Mahout-Quality #1946

2013-04-02 Thread Apache Jenkins Server
See