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Click probability prediction using Mahout. From model output to probability - Mahout - [mail # user]
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...Hello, I'm trying to predict web-page click probability using Mahout. In my case every click has it's "cost" and the goal is to maximize the sum (just like Google does in sponsored sea...
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Author: Abramov Pavel,
2012-12-27, 13:09
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HA: seq2sparse dictionary question - Mahout - [mail # user]
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...May be I dont understand your question. we apply this formula http://search.apache.org/~doronc/api/org/apache/lucene/search/DefaultSimilarity.html#idf%28int,%20int%29 to "frequen...
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Author: Abramov Pavel,
2012-12-07, 07:48
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HA: Mahout svd command question - Mahout - [mail # user]
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...Hi, Here is step by step manual for Lanczos implementation: https://cwiki.apache.org/MAHOUT/dimensional-reduction.html Pavel ________________________________________ От: k...
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Author: Abramov Pavel,
2012-11-22, 17:58
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Re: SSVD fails on seq2sparse output. - Mahout - [mail # user]
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...Just checked TOP at worker node during 20% job (4 000 000 users in my case): java process uses 2800 MB (resident mem). Good news for me, both U and M iteration passed on 20% sample. Ca...
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Author: Abramov Pavel,
2012-11-19, 09:19
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Re: SSVD fails on seq2sparse output. - Mahout - [mail # user]
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...About 20 000 000 users and 150 000 items. 0,03% non-zeros. 20 features required. Pavel 19.11.12 12:31 пользователь "Sebastian Schelter" написал: ...
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Author: Abramov Pavel,
2012-11-19, 08:36
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Re: SSVD fails on seq2sparse output. - Mahout - [mail # user]
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...Hi Sean, Can Myrrix Computation Level run on FreeBSD? Yes, we use hadoop with freeBSD ) Regards, Pavel 18.11.12 23:31 пользователь "Sean Owen" ...
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Author: Abramov Pavel,
2012-11-19, 08:29
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Re: SSVD fails on seq2sparse output. - Mahout - [mail # user]
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...Thanks for your replies. 1) Here is job log: 12/11/19 09:54:07 INFO als.ParallelALSFactorizationJob: Recomputing U (iteration 0/15) … 12/11/19 10:03:31 INFO mapred.J...
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Author: Abramov Pavel,
2012-11-19, 08:28
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Re: SSVD fails on seq2sparse output. - Mahout - [mail # user]
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...Many thanks for your explanation about SVD and ALS-WR factor models. You are absolutely right: we don't have "negative feedback" data and "preference" data. Unfortunately we can't use ...
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Author: Abramov Pavel,
2012-11-18, 16:22
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HA: SSVD fails on seq2sparse output. - Mahout - [mail # user]
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...Dmitriy, 1) Thank you, I'll try 0.8 instead of 0.7. 2) Regarding my problem and seq2sparse. We do not perform text analysis. We perform user click analysis. My documents are inte...
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Author: Abramov Pavel,
2012-11-15, 20:09
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Re: SSVD fails on seq2sparse output. - Mahout - [mail # user]
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...I forgot to set --tempDir parameter. Issue Solved, thanks Pavel 15.11.12 15:43 пользователь "Abramov Pavel" написал: ...
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Author: Abramov Pavel,
2012-11-15, 12:50
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