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Re: Evaluating Mahout's recommender support - Mahout - [mail # user]
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...On Wed, Dec 29, 2010 at 2:29 PM, Dmitriy Lyubimov wrote: The same process was used by the Elkan and Mohan. Likewise with Elkan and Mohan. They used CG and SGD...
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Author: Ted Dunning,
2010-12-29, 23:21
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Re: Evaluating Mahout's recommender support - Mahout - [mail # user]
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...On Wed, Dec 29, 2010 at 11:37 AM, Dmitriy Lyubimov wrote: It is a very general link function that gives good probability scores. Note that log-linear == soft-max == multinomial ...
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Author: Ted Dunning,
2010-12-29, 21:03
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Re: Clustering product views and sales - Mahout - [mail # user]
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...I don't even think that clustering is all that necessary. The reduced cooccurrence matrix will give you items related to each item. You can use something like PCA, but SVD is just as good...
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... that you are trying to solve with this clustering? On Mon, May 6, 2013 at 12:01 PM, Dominik Hübner wrote: ...
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Author: Ted Dunning,
2013-05-06, 19:09
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Re: Evaluating Mahout's recommender support - Mahout - [mail # user]
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...The latent factor log-linear work that I started, got to a barely working state and then was unable to continue would provide hybrid recommendations. This is the MAHOUT-525 work that S...
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Author: Ted Dunning,
2010-12-29, 18:36
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Re: Clustering product views and sales - Mahout - [mail # user]
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...Truly cold start is best handled by recommending the most popular items. If you know *anything* at all such as geo or browser or OS, then you can use that to recommend using convention...
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Author: Ted Dunning,
2013-05-06, 22:19
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Re: Clustering product views and sales - Mahout - [mail # user]
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...On Mon, May 6, 2013 at 12:50 PM, Koobas wrote: I think that combinations are important, but I think that the combination of very similar kinds of algorithms working on essential...
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Author: Ted Dunning,
2013-05-06, 21:25
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Re: Clustering product views and sales - Mahout - [mail # user]
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...On Mon, May 6, 2013 at 11:29 AM, Dominik Hübner wrote: I would recommend just putting the view and sale in different columns and doing cooccurrence analysis on this....
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Author: Ted Dunning,
2013-05-06, 18:52
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Re: Odd clustering fail - Mahout - [mail # user]
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.... You might be more successful by posing an argument of the form "this laptop can do X with the following limitations" AND "a hadoop cluster of the following modest size can do Y with much less...
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Author: Ted Dunning,
2013-03-10, 17:54
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Re: Plotting cluster quality - Mahout - [mail # user]
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...I spoke off-line to Dan and he confirmed your inference. Color was just there for visual esthetics. On Sun, Feb 24, 2013 at 6:18 AM, David Murgatroyd wrote: ...
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Author: Ted Dunning,
2013-02-24, 17:11
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Re: Plotting cluster quality - Mahout - [mail # user]
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...What does color mean here? What about width of the box? When you say median or mean of all cluster distances, do you mean across that single run? I think that this plot is fine...
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... about every part. Answer all their questions in the caption and you have a Kipling caption. For comparing different runs of the clustering or different algorithms, I think that a cumulative...
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Author: Ted Dunning,
2013-02-22, 17:47
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