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Paritosh Ranjan commented on MAHOUT-843:
Another reminder to review this patch.
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jirapos...@reviews.apache.org commented on MAHOUT-897:
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Dmitriy Lyubimov commented on MAHOUT-817:
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rolling back solution for now. There ar
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Dmitriy Lyubimov updated MAHOUT-817:
Attachment: (was: SSVD-PCA options.pdf)
> Add PCA options to SSVD code
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Dmitriy Lyubimov updated MAHOUT-817:
Attachment: (was: SSVD-PCA options.pdf)
> Add PCA options to SSVD code
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Dmitriy Lyubimov updated MAHOUT-817:
Attachment: (was: SSVD-PCA options.pdf)
> Add PCA options to SSVD code
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(Updated 2011-11-30 07:35:21.576144)
Review request for mahout and Ted Dunning.
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Dmitriy Lyubimov updated MAHOUT-817:
Attachment: (was: SSVD-PCA options.pdf)
> Add PCA options to SSVD code
> --
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Ikumasa Mukai updated MAHOUT-840:
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Attachment: regression.patch
Hi.
I made a new patch!
> 1. (int) on a double means Math.floor(dou
ok thanks. I will file an issue for default p.
also i updated the docs re: --reduceTasks.
it would be nice if you could log time for map and reduce phases for
all tasks (it is reported in MR web ui at namenode:50030 by default)
in each case if you think there's a performance issue. It would at
le
Thanks for the heads up with numReduceTasks. I haven't changed the
parameters yet much from the default so this is probably my problem.
By slave I mean machine, I'm running an m1.small as master and either
m1.small's or m1.large's as slaves (datanode, tasktracker, child).
p depends mostly on the
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Sean Owen updated MAHOUT-903:
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Attachment: MAHOUT-903.patch
> Slope one doesn't write, read diff counts resulting in no recs
> -
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Sean Owen updated MAHOUT-903:
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Status: Patch Available (was: Open)
> Slope one doesn't write, read diff counts resulting in no recs
Slope one doesn't write, read diff counts resulting in no recs
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Key: MAHOUT-903
URL: https://issues.apache.org/jira/browse/MAHOUT-903
Project: Mahout
Issue Type: Bug
Com
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jirapos...@reviews.apache.org commented on MAHOUT-880:
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Dmitriy Lyubimov edited comment on MAHOUT-797 at 11/29/11 7:38 PM:
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PPS also make sure you specify numReduceTasks. Default is I beleive 1
which will not scale at multiplication steps at all.
On Tue, Nov 29, 2011 at 10:15 AM, Dmitriy Lyubimov wrote:
> PS actually i think it should scale horizontally a little better than
> vertically but that's just a guess.
>
> On
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Dmitriy Lyubimov commented on MAHOUT-797:
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so what i think is that using R'^-1YA r
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jirapos...@reviews.apache.org commented on MAHOUT-880:
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jirapos...@reviews.apache.org commented on MAHOUT-880:
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bq. On 201
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Dmitriy Lyubimov updated MAHOUT-817:
Attachment: SSVD-PCA options.pdf
Actually, propagating median thru power iterations is not
PS actually i think it should scale horizontally a little better than
vertically but that's just a guess.
On Tue, Nov 29, 2011 at 10:10 AM, Dmitriy Lyubimov wrote:
> On Tue, Nov 29, 2011 at 9:56 AM, Nathan Halko
> wrote:
>>
>> The docs look great Dmitriy. Has anyone considered giving oversampl
On Tue, Nov 29, 2011 at 9:56 AM, Nathan Halko wrote:
> The docs look great Dmitriy. Has anyone considered giving oversampling
> parameter p a default value? Say p = 25. Slightly high but I imagine most
> use cases are noisy and could benefit from the larger value.
Yes that's a good idea that di
On Tue, Nov 29, 2011 at 9:56 AM, Nathan Halko wrote:
>
> The docs look great Dmitriy. Has anyone considered giving oversampling
> ssvd over lanczos which is promising. Trying to scale out horizontally but
> not seeing any difference between using one slave or many slaves. Any
> ideas? (I won't
The docs look great Dmitriy. Has anyone considered giving oversampling
parameter p a default value? Say p = 25. Slightly high but I imagine most
use cases are noisy and could benefit from the larger value. I have been
testing ssvd and lanczos svd on Amazon EMR. Seeing about a 15x speedup in
ssv
If you are looking for the areas of a new algorithms missing, I think Ted
recently published a list of things sought after.
I for myself would very much like to see SVM things done at scale. Another
feature request from me is hierarchical ckustering, if you like a new
challenge.
The challenge for
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Hudson commented on MAHOUT-901:
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Integrated in Mahout-Quality #1211 (See
[https://builds.ap
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Grant Ingersoll resolved MAHOUT-868.
Resolution: Fixed
> Rename build*.sh examples to be more indicative of what they actual
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Grant Ingersoll commented on MAHOUT-344:
Ankur, do you have a reference for this i
TanimotoCoefficientSimilarity should return Double.NaN for two items that have
zero overlap
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Key: MAHOUT-902
URL: https://issues.apache.org/jira/browse/MAHOUT-902
On Nov 28, 2011, at 2:25 PM, Raphael Cendrillon wrote:
> 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 ex
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Sean Owen commented on MAHOUT-901:
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Thanks, though this is identical to the current test
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Georgi Stanev edited comment on MAHOUT-901 at 11/29/11 11:20 AM:
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Georgi Stanev updated MAHOUT-901:
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Attachment: KnnItemBasedRecommende_newTest.java
A JUnit test based on the original JUnit test.
Un
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Sean Owen resolved MAHOUT-901.
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Resolution: Fixed
Thanks, I've committed, with minor style and formatting changes. This does seem
to w
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Georgi Stanev commented on MAHOUT-901:
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About the exception line, a user is removed i
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jirapos...@reviews.apache.org commented on MAHOUT-880:
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