Re: SlopeOneRecommender and MySQLJDBCDataModel in RecommenderBuilder Implementation

2011-12-22 Thread Chee Kin Lim
Hi Sean Owen, I did subscribed to user mahout.apache.org, but I forgot reply for confirmation. The problem solved. Thanks for further helpful response. I have better understanding now. Best regards, Chee Kin On Tue, Dec 20, 2011 at 10:32 PM, Chee Kin Lim wrote: > Hi Sean Owen, > > Thanks for

Re: SlopeOneRecommender and MySQLJDBCDataModel in RecommenderBuilder Implementation

2011-12-20 Thread Sean Owen
(You may not be subscribed to user@mahout.apache.org then?) I mean that you cannot ignore the DataModel that the eval framework gives you, and go use your own. You will invalidate the whole test, since your data model has all the "answers" that the test is testing! It's like handing your students

Re: SlopeOneRecommender and MySQLJDBCDataModel in RecommenderBuilder Implementation

2011-12-20 Thread Chee Kin Lim
Hi Sean Owen, Thanks for quick response and sorry for late response (I am a bit surprised that I didn't received your response in my mail box, not even in spam folder). I saw your response at http://comments.gmane.org/gmane.comp.apache.mahout.user/10901 I don't understand your meaning of "It will

Re: SlopeOneRecommender and MySQLJDBCDataModel in RecommenderBuilder Implementation

2011-12-14 Thread Sean Owen
Yes, because the DataModel you receive from the eval framework is certainly not a MySQL-backed one; it is an artificial one (GenericDataModel) for testing. If you need to inject a custom DataModel, you need DataModelBuilder. This may take some work, to push the test data into a table, create a mode

SlopeOneRecommender and MySQLJDBCDataModel in RecommenderBuilder Implementation

2011-12-14 Thread Chee Kin Lim
Hi there, I am writing a Grails plugin for mahout recommender (collaborative filtering) at the moment. As I am beginner of mahout, I have some doubt for the implementation of RecommenderBuilder for SlopeOneRecommender and MySQLJDBCDataModel. Please see the code at https://github.com/limcheekin/ma