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Debasish Das commented on SPARK-24374:
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Hi [~mengxr] with barrier mode available is it not possible
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Debasish Das commented on SPARK-10078:
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I looked into the code and I see we are replicating Breeze
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Debasish Das commented on SPARK-10078:
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[~mengxr] [~dlwh] is it possible to implement VL-BFGS as
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Debasish Das edited comment on SPARK-10078 at 1/3/17 12:26 AM:
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Ideally
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Debasish Das commented on SPARK-10078:
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Ideally feature partitioning should be automatically
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Debasish Das edited comment on SPARK-13857 at 12/26/16 5:57 AM:
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Debasish Das commented on SPARK-13857:
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item->item and user->user was done in an old PR I had...if
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Debasish Das commented on SPARK-5992:
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Also do you have hash function for euclidean distance? We use
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Debasish Das commented on SPARK-5992:
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Did you compare with brute force knn ? Normally lsh does not
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Debasish Das commented on SPARK-4823:
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We use it in multiple usecases internally but did not get time
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Debasish Das commented on SPARK-6932:
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[~rxin] [~sowen] Do we have any other active parameter server
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Debasish Das edited comment on SPARK-9834 at 6/5/16 4:49 PM:
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Do you have
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Debasish Das commented on SPARK-9834:
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Do you have runtime comparisons that when features <= 4096, OLS
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Debasish Das commented on SPARK-10408:
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[~avulanov] In MLP can we change BFGS to OWLQN and get L1
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Debasish Das edited comment on SPARK-9834 at 9/8/15 3:18 PM:
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[~mengxr] If you
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Debasish Das commented on SPARK-9834:
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If you are open to use breeze.proximal.QuadraticMinimizer we
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Debasish Das commented on SPARK-10078:
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[~mengxr] will it be Breeze LBFGS modification or part of
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Debasish Das updated SPARK-4823:
Attachment: SparkMeetup2015-Experiments2.pdf
SparkMeetup2015-Experiments1.pdf
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Debasish Das commented on SPARK-4823:
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We did more detailed experiment for July 2015
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Debasish Das commented on SPARK-2336:
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Very cool idea Sen. Did you also look into
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Debasish Das edited comment on SPARK-2336 at 6/12/15 6:51 PM:
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Debasish Das updated SPARK-6323:
Affects Version/s: (was: 1.4.0)
Large rank matrix factorization with Nonlinear loss and
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Debasish Das updated SPARK-4823:
Attachment: MovieLensSimilarity Comparisons.pdf
The attached file shows the runtime comparison of
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Debasish Das commented on SPARK-2426:
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[~mengxr] Should I add the PR to spark packages
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Debasish Das commented on SPARK-6323:
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Petuum paper that got released today mentioned
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Debasish Das commented on SPARK-4823:
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I opened up a PR that worked well for our
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Debasish Das updated SPARK-4231:
Affects Version/s: (was: 1.2.0)
1.4.0
Add RankingMetrics to
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Debasish Das reopened SPARK-4231:
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The code was not part of SPARK-3066 and so reopening...
Add RankingMetrics to examples.MovieLensALS
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Debasish Das commented on SPARK-5992:
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Did someone compared algebird LSH with spark
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Debasish Das commented on SPARK-3987:
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@mengxr for this testcase it was fixed but I
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Debasish Das edited comment on SPARK-3987 at 4/8/15 3:31 AM:
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Debasish Das commented on SPARK-5564:
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[~sparks] we are trying to access the EC2
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Debasish Das edited comment on SPARK-3066 at 4/1/15 4:28 AM:
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Debasish Das commented on SPARK-3066:
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Also unless the raw flow runs there is no way
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Debasish Das commented on SPARK-5564:
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Cool...I will run my experiments on the same
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Debasish Das edited comment on SPARK-5564 at 3/30/15 6:52 PM:
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Debasish Das commented on SPARK-5564:
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[~josephkb] could you please point me to the
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Debasish Das edited comment on SPARK-5564 at 3/30/15 12:31 AM:
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Debasish Das edited comment on SPARK-5564 at 3/30/15 12:30 AM:
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Debasish Das updated SPARK-2426:
Affects Version/s: (was: 1.3.0)
1.4.0
Quadratic Minimization for MLlib
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Debasish Das edited comment on SPARK-2426 at 3/24/15 3:23 PM:
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Debasish Das edited comment on SPARK-2426 at 3/24/15 3:23 PM:
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Debasish Das commented on SPARK-6323:
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I did some more reading and realized that even
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Debasish Das commented on SPARK-2426:
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[~acopich] From your comment before Anyway, l2
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Debasish Das edited comment on SPARK-2426 at 3/24/15 6:11 AM:
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Debasish Das edited comment on SPARK-2426 at 3/24/15 6:11 AM:
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Debasish Das edited comment on SPARK-2426 at 3/24/15 6:13 AM:
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Debasish Das commented on SPARK-3735:
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We might want to consider doing some of these
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Debasish Das commented on SPARK-2426:
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[~acopich] There's a completely different
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
scales
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Debasish Das edited comment on SPARK-6323 at 3/16/15 6:30 PM:
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Debasish Das edited comment on SPARK-6323 at 3/15/15 4:29 PM:
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Debasish Das edited comment on SPARK-6323 at 3/15/15 4:26 PM:
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Debasish Das commented on SPARK-6323:
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By the way I can close the JIRA if it is not
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Debasish Das commented on SPARK-6323:
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g(z) is not regularization...we support
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Debasish Das edited comment on SPARK-6323 at 3/13/15 7:48 PM:
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Debasish Das commented on SPARK-6323:
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There are some other interesting cases for
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
only
Debasish Das created SPARK-6323:
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Summary: Large rank matrix factorization with Nonlinear loss and
constraints
Key: SPARK-6323
URL: https://issues.apache.org/jira/browse/SPARK-6323
Project: Spark
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
only
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
scales
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
only
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
only
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Debasish Das resolved SPARK-4231.
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Resolution: Duplicate
Add RankingMetrics to examples.MovieLensALS
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
only
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
only
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Debasish Das updated SPARK-6323:
Description:
Currently ml.recommendation.ALS is optimized for gram matrix generation which
scales
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Debasish Das commented on SPARK-3066:
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We use the non-level 3 BLAS code in our
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Debasish Das commented on SPARK-2426:
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[~mengxr] NNLS and QuadraticMinimizer are both
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Debasish Das commented on SPARK-3066:
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[~josephkb] do you mean knn ? For
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Debasish Das commented on SPARK-4823:
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[~mengxr] I need level 3 BLAS for this JIRA as
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Debasish Das edited comment on SPARK-4823 at 3/8/15 6:42 AM:
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Debasish Das edited comment on SPARK-5564 at 3/1/15 4:41 PM:
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Debasish Das edited comment on SPARK-5564 at 3/1/15 4:51 PM:
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Debasish Das commented on SPARK-5564:
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I am right now using the following PR to do
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Debasish Das edited comment on SPARK-5564 at 3/1/15 4:20 PM:
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Debasish Das edited comment on SPARK-5564 at 3/1/15 4:19 PM:
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Debasish Das commented on SPARK-5564:
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By the way the following step is an
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Debasish Das commented on SPARK-2426:
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[~mengxr] [~coderxiang] David is out in Feb and
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Debasish Das commented on SPARK-4675:
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Is there a metric like MAP / AUC kind of
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Debasish Das commented on SPARK-4823:
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[~srowen] did you implement map-reduce row
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Debasish Das commented on SPARK-2426:
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[~mengxr] as per our discussion,
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Debasish Das commented on SPARK-4823:
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Even for matrix factorization userFactors are
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Debasish Das commented on SPARK-2426:
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[~akopich] I got good MAP results on
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https://issues.apache.org/jira/browse/SPARK-4675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14241535#comment-14241535
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Debasish Das commented on SPARK-4675:
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There are few issues:
1. Batch API for topK
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https://issues.apache.org/jira/browse/SPARK-4823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14242031#comment-14242031
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Debasish Das commented on SPARK-4823:
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I am considering coming up with a baseline
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Debasish Das commented on SPARK-4675:
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[~josephkb] how do we validate that low
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https://issues.apache.org/jira/browse/SPARK-1405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14222024#comment-14222024
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Debasish Das commented on SPARK-1405:
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We need a larger dataset as well where topics
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Debasish Das edited comment on SPARK-1405 at 11/22/14 4:22 PM:
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Debasish Das commented on SPARK-1405:
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[~pedrorodriguez] did you write the metric in
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Debasish Das commented on SPARK-1405:
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NIPS dataset is common for PLSA and additive
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Debasish Das commented on SPARK-1405:
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@sparks that will be awesome...I should be fine
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Debasish Das edited comment on SPARK-1405 at 11/22/14 6:40 PM:
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https://issues.apache.org/jira/browse/SPARK-3066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14221379#comment-14221379
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Debasish Das commented on SPARK-3066:
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I did experiments on MovieLens dataset with
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Debasish Das edited comment on SPARK-1405 at 11/21/14 10:28 PM:
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https://issues.apache.org/jira/browse/SPARK-4231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14219799#comment-14219799
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Debasish Das commented on SPARK-4231:
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[~srowen] I added batch predict APIs for user
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Debasish Das edited comment on SPARK-3066 at 11/19/14 10:59 PM:
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Debasish Das commented on SPARK-3066:
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@mengxr as per our discussions, I added APIs
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Debasish Das commented on SPARK-1405:
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I would like to compare the LSA formulations
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https://issues.apache.org/jira/browse/SPARK-2426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14218891#comment-14218891
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Debasish Das commented on SPARK-2426:
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With the MAP measures being added to
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