Thanks Owen. It'd test my code the same way.
Thanks and Regards
Bejoy.K.S
> Date: Fri, 12 Nov 2010 15:45:16 +0000
> Subject: Re: Mahout - Help needed - files with no preferences and integarting
> mahout with Hadoop
> From: [email protected]
> To: [email protected]
>
> It looks reasonable to me; what works best for your data will only be
> revealed with some testing of different algorithms. For example try
> LogLikelihoodSimilarity.
>
> On Fri, Nov 12, 2010 at 3:41 PM, bejoy ks <[email protected]> wrote:
>
> >
> > Thanks a lot Owen. One more small favor,hope its fine for you.
> > I'd like to get your suggestion on my implementation of my Item
> > based recommendation over the same data set.(data set with no
> > preference value).
> >
> > The sample code i have used is given below, it works fine with
> > recommendations being produced. Could you please look into it and just
> > verify whether the use of ItemSimilarity and ItemBasedRecommender are the
> > best suited ones for Boolean data sets.
> >
> >
> >
> > //item similarity recommendation based on User Id
> >
> > FileDataModel dataModel = new FileDataModel(new File(recsFile));
> >
> > ItemSimilarity itemSimilarity = new
> > TanimotoCoefficientSimilarity(dataModel);
> >
> > ItemBasedRecommender recommender =new
> > GenericItemBasedRecommender(dataModel, itemSimilarity);
> >
> > List<RecommendedItem> recommendations
> > =recommender.recommend(userId, noOfRecommendations);
> >
> > System.out.println(recommendations);
> >
> >
> >
> > //item similarity recommendation based on Item Id
> >
> > recommendations= recommender.mostSimilarItems(itemId,
> > noOfRecommendations);
> >
> > System.out.println(recommendations);
> >
> >
> >
> > Please let me know you suggestions and comments on the code snippet. Is
> > this the right way to so Item based recommendations on Boolean data
> > sets?
> >
> > Thanks and Regards
> > Bejoy.K.S
> >
> >
> >
> >
> > > Date: Fri, 12 Nov 2010 15:34:03 +0000
> > > Subject: Re: Mahout - Help needed - files with no preferences and
> > integarting mahout with Hadoop
> > > From: [email protected]
> > > To: [email protected]
> > >
> > > http://manning.com/owen
> > >
> > > On Fri, Nov 12, 2010 at 3:16 PM, bejoy ks <[email protected]> wrote:
> > >
> > > >
> > > > Ok that'd be great Owen , if you could point me to the book 'Mahout in
> > > > Action' . I'm bit interested to know more on the possibilities
> > available
> > > > with mahout and also the right usage of similarities, recommenders
> >
> >
