Re: Newbie question

2014-03-08 Thread Martin, Nick
+ Mahout user Sent from my iPhone On Mar 8, 2014, at 10:42 AM, "Mahmood Naderan" mailto:nt_mahm...@yahoo.com>> wrote: Hi Maybe this is a newbie question but I want to know does Hadoop/Mahout use pthread models? Regards, Mahmood

Newbie Question

2013-01-25 Thread Robby Stamper
I have successfully run the Breiman example from https://cwiki.apache.org/confluence/display/MAHOUT/Breiman+Example How do I view the tree? Do I need to write a program that instantiates ForestVisualizer.java? Is there another program for visualizing the results of Mahout output? Many Thank

Re: Newbie question on modeling a Recommender using Mahout when the matrix is sparse

2012-09-13 Thread Gokul Pillai
Very true, good catch. I think I was interpreting the results the wrong way. I expect only the top 5, so I changed the parameter to "5" instead of "10" and the results are as expected now. Thanks. On Wed, Sep 12, 2012 at 11:36 PM, Sean Owen wrote: > Well there are only 7 products in the univers

Re: Newbie question on modeling a Recommender using Mahout when the matrix is sparse

2012-09-12 Thread Sean Owen
Well there are only 7 products in the universe! If you ask for 10 recommendations, you will always get all unrated items back in the recommendations. That's always true unless the algorithm can't actually establish a value for some items. What result were you expecting, less than 10 recs? less tha

Newbie question on modeling a Recommender using Mahout when the matrix is sparse

2012-09-12 Thread Gokul Pillai
I am trying out Mahout to come up with product recommendations for users based on data that show what products they use today. The data is not web-scale, just about 300,000 users and 7 products. Few comments about the data here: 1. Since users either have or not have a particular product, the value