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QRDecomposition performance - Mahout - [mail # user]
...This is great news and will automatically boost the performance of all our ALS-based recommenders which are all using QRDecomposition internally.  On 28.01.2013 04:02, Ted Dunning wrote...
   Author: Sebastian Schelter , 2013-01-28, 08:04
[expand - 2 more] - SVM in Mahout - Mahout - [mail # user]
...Hi Tharindu,  There is no SVM implementation in an official release.  --sebastian  On 24.12.2013 08:02, Tharindu Rusira wrote: > Hi all, > Do we have a SVM implementatio...
   Author: Sebastian Schelter , 2013-12-24, 07:57
[expand - 1 more] - Equality of two DenseMatrix objects - Mahout - [mail # user]
...Chameera,  This is wrong. It's not enought to check the reference, two different instances can be semantically equivalent,  A dense matrix represents its entries in a two dimension...
   Author: Sebastian Schelter , 2013-12-29, 16:40
is Hadoop based SVD_ALS a complete feature? - Mahout - [mail # user]
...Which version/distribution of Hadoop are you using?  On 17.01.2013 16:08, Pat Ferrel wrote: > +1 this, found the same problems, same fixes. Haven't seem your last problem >  ...
   Author: Sebastian Schelter , 2013-01-17, 15:12
[expand - 3 more] - How to start the factorize-movielens.sh from a PHP script ? - Mahout - [mail # user]
...Hi Sekine,  I'm not sure I understand your problem correctly, What exactly is your usecase, how many users and items do you have?  The mahout commandline tools only offer Hadoop-ba...
   Author: Sebastian Schelter , 2013-01-17, 17:07
ItemSimilarityJob Cooccurrence Question - Mahout - [mail # user]
...Hi Derek,  this shouldn't be happening and we have unit tests explicitly checking  that.  Which version do you use? Please be sure to use Mahout 0.5 or the  current trunk...
   Author: Sebastian Schelter , 2011-06-04, 21:28
Hadoop version for latest Mahout - Mahout - [mail # user]
...Trunk uses 1.1.2.  On 12.06.2013 21:44, Abhinav M Kulkarni wrote: > Hi, >  > I downloaded Mahout on my laptop and wanted to know which version of Hadoop > it is compati...
   Author: Sebastian Schelter , 2013-06-12, 19:50
Few questions about Mahout code organization and javadoc - Mahout - [mail # user]
...On 13.06.2013 08:15, Abhinav M Kulkarni wrote: > Hi, >  > I have recently started exploring codebase for Mahout and I have questions > about the code organization and javado...
   Author: Sebastian Schelter , 2013-06-13, 06:25
Mahout and Hadoop 2.2.0 - Mahout - [mail # user]
...I think there are still parts of the code (e.g. in DistributedRowMatrix) that use the old API.  --sebastian  On 11.12.2013 19:56, Suneel Marthi wrote: > Mahout is using the newe...
   Author: Sebastian Schelter , 2013-12-11, 19:01
SSVD on very large and sparse matrices - Mahout - [mail # user]
...Sidenote: I was able to process a matrix of 3B non-zeros in 3 hours on a 6 machine cluster with Mahout's SSVD  On 13.12.2013 22:50, Dmitriy Lyubimov wrote: > PS if i am not mistaken ...
   Author: Sebastian Schelter , 2013-12-13, 22:23