[jira] [Reopened] (MAHOUT-922) SSVD: ABt Job tweaks for extra sparse inputs

[ https://issues.apache.org/jira/browse/MAHOUT-922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dmitriy Lyubimov reopened MAHOUT-922: - reopening for additional patches. Patch #1: option to use distributed cache for B matrix in

[jira] [Created] (MAHOUT-931) Implement a pluggable outlier removal capability for cluster classifiers

Implement a pluggable outlier removal capability for cluster classifiers Key: MAHOUT-931 URL: https://issues.apache.org/jira/browse/MAHOUT-931 Project: Mahout Issue Typ

[jira] [Created] (MAHOUT-930) Refactor Vector Classifaction out of Clustering - Make Classification abstract

Refactor Vector Classifaction out of Clustering - Make Classification abstract -- Key: MAHOUT-930 URL: https://issues.apache.org/jira/browse/MAHOUT-930 Project: Mahout

Re: [jira] [Commented] (MAHOUT-906) Allow collaborative filtering evaluators to use custom logic in splitting data set

Nice point about before-time/after-time training & prediction sets! On Fri, Dec 16, 2011 at 12:52 AM, Anatoliy Kats (Commented) (JIRA) wrote: > >    [ > https://issues.apache.org/jira/browse/MAHOUT-906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=1317083

Jenkins build is still unstable: Mahout-Quality #1257

See

[jira] [Commented] (MAHOUT-929) Refactor Clustering (Vector Classification) into a Separate Postprocess with Outlier Pruning

[ https://issues.apache.org/jira/browse/MAHOUT-929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171700#comment-13171700 ] Jeff Eastman commented on MAHOUT-929: - Sure, the first two at least are pretty signifi

[jira] [Commented] (MAHOUT-923) Row mean job for PCA

[ https://issues.apache.org/jira/browse/MAHOUT-923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171673#comment-13171673 ] Raphael Cendrillon commented on MAHOUT-923: --- Are there any more changes needed a

[jira] [Updated] (MAHOUT-923) Row mean job for PCA

[ https://issues.apache.org/jira/browse/MAHOUT-923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raphael Cendrillon updated MAHOUT-923: -- Attachment: MAHOUT-923.patch > Row mean job for PCA > > >

[jira] [Commented] (MAHOUT-923) Row mean job for PCA

[ https://issues.apache.org/jira/browse/MAHOUT-923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171671#comment-13171671 ] jirapos...@reviews.apache.org commented on MAHOUT-923: --

Re: Review Request: Row mean job for PCA

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/3147/ --- (Updated 2011-12-17 20:50:42.776447) Review request for mahout, Ted Dunning, lan

[jira] [Commented] (MAHOUT-923) Row mean job for PCA

[ https://issues.apache.org/jira/browse/MAHOUT-923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171669#comment-13171669 ] jirapos...@reviews.apache.org commented on MAHOUT-923: --

Re: Review Request: Row mean job for PCA

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/3147/ --- (Updated 2011-12-17 20:46:39.068863) Review request for mahout, Ted Dunning, lan

[jira] [Commented] (MAHOUT-923) Row mean job for PCA

[ https://issues.apache.org/jira/browse/MAHOUT-923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171667#comment-13171667 ] jirapos...@reviews.apache.org commented on MAHOUT-923: --

Re: Review Request: Row mean job for PCA

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/3147/ --- (Updated 2011-12-17 20:38:27.774380) Review request for mahout, Ted Dunning, lan

[jira] [Commented] (MAHOUT-923) Row mean job for PCA

[ https://issues.apache.org/jira/browse/MAHOUT-923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171665#comment-13171665 ] jirapos...@reviews.apache.org commented on MAHOUT-923: --

Re: Review Request: Row mean job for PCA

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/3147/ --- (Updated 2011-12-17 20:32:34.158332) Review request for mahout, Ted Dunning, lan

[jira] [Commented] (MAHOUT-929) Refactor Clustering (Vector Classification) into a Separate Postprocess with Outlier Pruning

[ https://issues.apache.org/jira/browse/MAHOUT-929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13171593#comment-13171593 ] Paritosh Ranjan commented on MAHOUT-929: I think that it would be difficult to man

Re: ALS-WR and reg rate discussion

OK, yet another crazy idea of mine. Generally, we we coerce to classical SVD form with singular values, then Tikhonov regularization can be probably optimized post-decomposition. Indeed, i can see no reason why we can't control the smoothing at the prediction stage by hacking the predictor as in