[jira] [Commented] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159110#comment-13159110 ] Wangda Tan commented on MAHOUT-880: --- Great work! I'm working on the norm job, I try to f

[jira] [Commented] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159097#comment-13159097 ] jirapos...@reviews.apache.org commented on MAHOUT-880: --

[jira] [Commented] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159094#comment-13159094 ] Raphael Cendrillon commented on MAHOUT-880: --- I'll be glad to. Thanks.

[jira] [Commented] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159090#comment-13159090 ] Jake Mannix commented on MAHOUT-880: Hi Raphael, Can you create a reviewboard requ

[jira] [Commented] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159082#comment-13159082 ] Raphael Cendrillon commented on MAHOUT-880: --- Hi Jake. If you get a chance could

[jira] [Updated] (MAHOUT-899) Add Point Sampling, Color coding to ClusterDumper

[ https://issues.apache.org/jira/browse/MAHOUT-899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Grant Ingersoll updated MAHOUT-899: --- Attachment: MAHOUT-899.patch Here's a lame attempt at laying out the clusters in 2D in the Gr

[jira] [Commented] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159075#comment-13159075 ] Jake Mannix commented on MAHOUT-880: many of these sound great, yes! I'd have one sug

[jira] [Updated] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raphael Cendrillon updated MAHOUT-880: -- Attachment: MAHOUT-880.patch > Add some matrix method(like addition, subtraction, n

[jira] [Updated] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raphael Cendrillon updated MAHOUT-880: -- Comment: was deleted (was: A few matrix-vector operations for DistributedRowMatrix)

[jira] [Updated] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raphael Cendrillon updated MAHOUT-880: -- Labels: DistributedRowMatrix (was: ) Status: Patch Available (was: Open) A few ma

[jira] [Commented] (MAHOUT-880) Add some matrix method(like addition, subtraction, norm ... etc) to DistributedRowMatrix

[ https://issues.apache.org/jira/browse/MAHOUT-880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159063#comment-13159063 ] Raphael Cendrillon commented on MAHOUT-880: --- I also think it could be useful to

[jira] [Commented] (MAHOUT-840) Decision Forests should support Regression problems

[ https://issues.apache.org/jira/browse/MAHOUT-840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159050#comment-13159050 ] Ikumasa Mukai commented on MAHOUT-840: -- Hi Norskog-san. Thank you very much for revie

[jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13159041#comment-13159041 ] Raphael Cendrillon commented on MAHOUT-817: --- It seems to be OK in the examples I

Jenkins build is back to normal : Mahout-Quality #1209

See

[jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158986#comment-13158986 ] Dmitriy Lyubimov commented on MAHOUT-817: - ok. that's what i suspected. but i thin

[jira] [Updated] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dmitriy Lyubimov updated MAHOUT-817: Attachment: SSVD-PCA options.pdf > Add PCA options to SSVD code > -

[jira] [Updated] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Raphael Cendrillon updated MAHOUT-817: -- Attachment: ssvd.m Here's a little snipet of Matlab code which evaluates the performanc

[jira] [Updated] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dmitriy Lyubimov updated MAHOUT-817: Attachment: SSVD-PCA options.pdf minor editions > Add PCA options to SSVD

[jira] [Updated] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Dmitriy Lyubimov updated MAHOUT-817: Attachment: SSVD-PCA options.pdf > Add PCA options to SSVD code > -

[jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158921#comment-13158921 ] Dmitriy Lyubimov commented on MAHOUT-817: - bq. Another problem i identified with t

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

Hi Ted, I think the difficulty I have is in identifying areas to contribute that the community will find useful. If I understand correctly at this stage the major algorithms are in place and the focus is on polishing the existing code rather than adding large amounts of new functionality. Wi

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

What are you finding difficult? Us? The process? The concept? What can we do to make this easier? On Mon, Nov 28, 2011 at 1:57 PM, Raphael Cendrillon < cendrillon1...@gmail.com> wrote: > I would like to get involved in contributing to the code, although I'm > finding this quite difficult. >

[jira] [Commented] (MAHOUT-900) RandomSeedGenerator samples / output k texts incorrectly

[ https://issues.apache.org/jira/browse/MAHOUT-900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158839#comment-13158839 ] Hudson commented on MAHOUT-900: --- Integrated in Mahout-Quality #1208 (See [https://builds.ap

Build failed in Jenkins: Mahout-Quality #1208

See Changes: [srowen] MAHOUT-900 fix sampling logic and handle case of < k elements -- [...truncated 8166 lines...] Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec Runnin

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

Sure, I'm happy to help in whatever way I can. I would like to get involved in contributing to the code, although I'm finding this quite difficult. On 28 Nov, 2011, at 1:35 PM, Dmitriy Lyubimov wrote: > In any event i hope you could review stuff going on there. There are > problems that need an

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

In any event i hope you could review stuff going on there. There are problems that need answers. On Mon, Nov 28, 2011 at 12:50 PM, Raphael Cendrillon < cendrillon1...@gmail.com> wrote: > Thanks Dmitriy. I certainly understand. > > Perhaps I can find some other areas to contribute. > > On 28 Nov,

[jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158779#comment-13158779 ] Ted Dunning commented on MAHOUT-817: {quote} BTW is there a formal name of a vector pr

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

Thanks Dmitriy. I certainly understand. Perhaps I can find some other areas to contribute. On 28 Nov, 2011, at 12:37 PM, Dmitriy Lyubimov wrote: > I think it is certainly ok for you to try and your thoughts are even more > appreciated because optimization of this stuff for big data that is also

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

PS I think it is better if you reply in jira rather than in the email broadcast of it since i don't monitor it and miss your posts. On Mon, Nov 28, 2011 at 12:37 PM, Dmitriy Lyubimov wrote: > I think it is certainly ok for you to try and your thoughts are even more > appreciated because optimizat

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

I think it is certainly ok for you to try and your thoughts are even more appreciated because optimization of this stuff for big data that is also accurate seem to take more than one head to review. However, I've already planned on doing 817 in the next two months and finish it in Q1 if I can work

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

> BTW is there a formal name of a vector product of a and b in a form of a new > vector (a_1 * b_1, a2 * b_2, ... a_n * b_n)? I call this element-wise multiplication, although I'm not sure if that's a formal term.

[jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

[ https://issues.apache.org/jira/browse/MAHOUT-817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158680#comment-13158680 ] Dmitriy Lyubimov commented on MAHOUT-817: - BTW is there a formal name of a vector

[jira] [Commented] (MAHOUT-898) Error in formula for preference estimation in GenericItemBasedRecommender

[ https://issues.apache.org/jira/browse/MAHOUT-898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158668#comment-13158668 ] Paulo Villegas commented on MAHOUT-898: --- |When you do test with log-likelihood, make

[jira] [Commented] (MAHOUT-898) Error in formula for preference estimation in GenericItemBasedRecommender

[ https://issues.apache.org/jira/browse/MAHOUT-898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158657#comment-13158657 ] Sean Owen commented on MAHOUT-898: -- Yes I could imagine this improves metrics in some cas

[jira] [Commented] (MAHOUT-898) Error in formula for preference estimation in GenericItemBasedRecommender

[ https://issues.apache.org/jira/browse/MAHOUT-898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158654#comment-13158654 ] Ted Dunning commented on MAHOUT-898: {quote} Incidentally, we also tried loglikelihood

[jira] [Commented] (MAHOUT-898) Error in formula for preference estimation in GenericItemBasedRecommender

[ https://issues.apache.org/jira/browse/MAHOUT-898?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158645#comment-13158645 ] Paulo Villegas commented on MAHOUT-898: --- Hi, thanks for the long reply! I did test

[jira] [Updated] (MAHOUT-900) RandomSeedGenerator samples / output k texts incorrectly

[ https://issues.apache.org/jira/browse/MAHOUT-900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-900: - Resolution: Fixed Assignee: Sean Owen (was: Robin Anil) Status: Resolved (was: Patch Avail

[jira] [Commented] (MAHOUT-897) New implementation for LDA: Collapsed Variational Bayes (0th derivative approximation), with map-side model caching

[ https://issues.apache.org/jira/browse/MAHOUT-897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158602#comment-13158602 ] jirapos...@reviews.apache.org commented on MAHOUT-897: -- bq. On 201

Re: Review Request: New implementation for LDA: Collapsed Variational Bayes (0th derivative approximation), with map-side model caching

> On 2011-11-28 07:54:29, Ted Dunning wrote: > > Generally this looks like pretty clean code. Some more comments about > > intent would be nice. > > > > My review so far is very superficial. I'm pretty blind to places which need more docs, as it all does, and I know the code. If you could p

[jira] [Commented] (MAHOUT-897) New implementation for LDA: Collapsed Variational Bayes (0th derivative approximation), with map-side model caching

[ https://issues.apache.org/jira/browse/MAHOUT-897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158600#comment-13158600 ] jirapos...@reviews.apache.org commented on MAHOUT-897: --

Re: Review Request: New implementation for LDA: Collapsed Variational Bayes (0th derivative approximation), with map-side model caching

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/2944/#review3538 --- trunk/core/src/main/java/org/apache/mahout/clustering/lda/cvb/Caching

[jira] [Commented] (MAHOUT-14) Need an SVM implementation

[ https://issues.apache.org/jira/browse/MAHOUT-14?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158550#comment-13158550 ] Zarko ASENOV commented on MAHOUT-14: Hi, I might end up using Adaptive SVM (retrain usi

[jira] [Commented] (MAHOUT-871) LDA job "mahout lda" fails- attempts to read _SUCCESS file in Hadoop output

[ https://issues.apache.org/jira/browse/MAHOUT-871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158549#comment-13158549 ] Hudson commented on MAHOUT-871: --- Integrated in Mahout-Quality #1207 (See [https://builds.ap

[jira] [Updated] (MAHOUT-901) KnnItemBasedRecommender is not working properly

[ https://issues.apache.org/jira/browse/MAHOUT-901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-901: - Fix Version/s: (was: 0.5) 0.6 > KnnItemBasedRecommender is not working properl

[jira] [Commented] (MAHOUT-901) KnnItemBasedRecommender is not working properly

[ https://issues.apache.org/jira/browse/MAHOUT-901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158478#comment-13158478 ] Sean Owen commented on MAHOUT-901: -- Sounds good, I generally trust you've investigated th

[jira] [Commented] (MAHOUT-895) Make Wikipedia example set maker easier to mod

[ https://issues.apache.org/jira/browse/MAHOUT-895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158454#comment-13158454 ] Hudson commented on MAHOUT-895: --- Integrated in Mahout-Quality #1206 (See [https://builds.ap

[jira] [Commented] (MAHOUT-894) NB testclassifier runs in sequential mode by default

[ https://issues.apache.org/jira/browse/MAHOUT-894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158453#comment-13158453 ] Hudson commented on MAHOUT-894: --- Integrated in Mahout-Quality #1206 (See [https://builds.ap

[jira] [Resolved] (MAHOUT-871) LDA job "mahout lda" fails- attempts to read _SUCCESS file in Hadoop output

[ https://issues.apache.org/jira/browse/MAHOUT-871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen resolved MAHOUT-871. -- Resolution: Fixed Fix Version/s: 0.6 Assignee: Sean Owen > LDA job "mahout lda" fai

[jira] [Commented] (MAHOUT-899) Add Point Sampling, Color coding to ClusterDumper

[ https://issues.apache.org/jira/browse/MAHOUT-899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158354#comment-13158354 ] Grant Ingersoll commented on MAHOUT-899: The last one is implemented already, you

[jira] [Updated] (MAHOUT-901) KnnItemBasedRecommender is not working properly

[ https://issues.apache.org/jira/browse/MAHOUT-901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Georgi Stanev updated MAHOUT-901: - Attachment: KnnItemBasedRecommender_new.java Updated calculation of  matrix and b^ vector.

[jira] [Created] (MAHOUT-901) KnnItemBasedRecommender is not working properly

KnnItemBasedRecommender is not working properly --- Key: MAHOUT-901 URL: https://issues.apache.org/jira/browse/MAHOUT-901 Project: Mahout Issue Type: Improvement Components: Collaborative

[jira] [Updated] (MAHOUT-894) NB testclassifier runs in sequential mode by default

[ https://issues.apache.org/jira/browse/MAHOUT-894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-894: - Priority: Minor (was: Major) Affects Version/s: (was: 0.6) 0.5

[jira] [Updated] (MAHOUT-894) NB testclassifier runs in sequential mode by default

[ https://issues.apache.org/jira/browse/MAHOUT-894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-894: - Resolution: Fixed Fix Version/s: 0.6 Assignee: Sean Owen Status: Resolved (was

[jira] [Updated] (MAHOUT-895) Make Wikipedia example set maker easier to mod

[ https://issues.apache.org/jira/browse/MAHOUT-895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-895: - Resolution: Fixed Fix Version/s: 0.6 Assignee: Sean Owen Status: Resolved (was

[jira] [Updated] (MAHOUT-900) RandomSeedGenerator samples / output k texts incorrectly

[ https://issues.apache.org/jira/browse/MAHOUT-900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-900: - Description: {code} int currentSize = chosenTexts.size(); if (currentSize < k) {

[jira] [Updated] (MAHOUT-900) RandomSeedGenerator samples / output k texts incorrectly

[ https://issues.apache.org/jira/browse/MAHOUT-900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-900: - Attachment: MAHOUT-900.patch > RandomSeedGenerator samples / output k texts incorrectly > ---

[jira] [Created] (MAHOUT-900) RandomSeedGenerator samples / output k texts incorrectly

RandomSeedGenerator samples / output k texts incorrectly Key: MAHOUT-900 URL: https://issues.apache.org/jira/browse/MAHOUT-900 Project: Mahout Issue Type: Bug Components: Clu

[jira] [Updated] (MAHOUT-900) RandomSeedGenerator samples / output k texts incorrectly

[ https://issues.apache.org/jira/browse/MAHOUT-900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Sean Owen updated MAHOUT-900: - Status: Patch Available (was: Open) > RandomSeedGenerator samples / output k texts incorrectly > ---

Re: Review Request: New implementation for LDA: Collapsed Variational Bayes (0th derivative approximation), with map-side model caching

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/2944/#review3531 --- Generally this looks like pretty clean code. Some more comments about

Re: [jira] [Commented] (MAHOUT-817) Add PCA options to SSVD code

Hi Dmitriy, If it's OK with you I'd like to try implementing this decoration. Any advice or guidance would be very much appreciated. Raphael. On 27 Nov, 2011, at 9:23 AM, Dmitriy Lyubimov (Commented) (JIRA) wrote: > Dmitriy Lyubimov commented on MAHOUT-817: > --