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distributed cholesky on mahout - Mahout - [mail # user]
...There was a variant of cholesky decomposition in Mahout at one time not solong ago. I would guess that it is still there.It is difficult to make a truly distributed version of QR decompositi...
   Author: Ted Dunning , 2018-04-19, 15:10
[expand - 3 more] - "LLR with time" - Mahout - [mail # user]
...Regarding overfitting, don't forget dithering. That can be the mostimportant single step you take in building a good recommender.Dithering can be inversely proportional to amount of exposure...
   Author: Ted Dunning , 2017-11-13, 02:33
MathJax not renedering on Website - Mahout - [mail # dev]
...This has happened periodically to my sites. The answer is usually that thecanonical location of the mathJax JavaScript library has changed.On Sep 10, 2017 7:58 PM, "Andrew Palumbo"  wro...
   Author: Ted Dunning , 2017-09-11, 03:55
spark-itemsimilarity scalability / Spark parallelism issues (SimilarityAnalysis.cooccurrencesIDSs) - Mahout - [mail # user]
...It is common with large numerical codes that things run faster in memory onjust a few cores if the communication required outweighs the parallelspeedup.The issue is that memory bandwidth is ...
   Author: Ted Dunning , 2017-08-17, 00:30
Looking for help with a talk - Mahout - [mail # dev]
...Any time.Ping me directly.On Fri, Aug 4, 2017 at 1:12 AM, Isabel Drost-Fromm wrote:> Hi,>> I have a first draft of a narrative and slide deck. If anyone has time it> would be lov...
   Author: Ted Dunning , 2017-08-04, 14:47
[expand - 1 more] - Unsubscribe. - Mahout - [mail # dev]
...Glad it worked. Sad to see you go.On Thu, Jun 8, 2017 at 4:24 AM, Roshan Kedar  wrote:> Hi Ted,>> Sorry to bother you but problem was @my end. I had sent mail to> unsubscrib...
   Author: Ted Dunning , 2017-06-08, 10:34
[expand - 4 more] - New logo - Mahout - [mail # user]
...On Sat, May 6, 2017 at 2:43 PM, Scott C. Cote  wrote:> Will you be wearing “one of those t-shirts” on Monday  in Houston :)   ?>Not likely.It is in the archive....
   Author: Ted Dunning , 2017-05-07, 00:31
[expand - 2 more] - Reg:-Integrating Mahout with Solr - Mahout - [mail # user]
...Hundreds of users are going to generate a really, really tiny amount ofdata (relative to the normal amounts that recommenders get to see).The problem is that hundreds of hyper-active users w...
   Author: Ted Dunning , 2017-04-02, 06:55
Marketing - Mahout - [mail # user]
...On Fri, Mar 24, 2017 at 8:27 AM, Pat Ferrel  wrote:> maybe we should drop the name Mahout altogether.I have been told that there is a cool secondary interpretation of Mahout aswell.I...
   Author: Ted Dunning , 2017-03-25, 02:22
LLR thresholds - Mahout - [mail # dev]
...MAP is dangerous, as are all off-line comparisons.The problem is that it tends to over-emphasize precision over recall and ittends to emphasize replicating what has been seen before.Increasi...
   Author: Ted Dunning , 2017-03-08, 22:59