Re: Cosine Similarity and LogLikelihood not helpful for implicit feedback!

2014-10-01 Thread Ted Dunning
Here is a paper that includes an analysis of voting patterns using LDA. http://arxiv.org/pdf/math/0604410.pdf On Tue, Sep 30, 2014 at 7:04 PM, Parimi Rohit rohit.par...@gmail.com wrote: Ted, I know LDA can be used to model text data but never used it in this setting. Can you please give

Re: Cosine Similarity and LogLikelihood not helpful for implicit feedback!

2014-10-01 Thread Parimi Rohit
Thanks Ted! Will look into it. Rohit On Wed, Oct 1, 2014 at 1:04 AM, Ted Dunning ted.dunn...@gmail.com wrote: Here is a paper that includes an analysis of voting patterns using LDA. http://arxiv.org/pdf/math/0604410.pdf On Tue, Sep 30, 2014 at 7:04 PM, Parimi Rohit rohit.par...@gmail.com

Re: Cosine Similarity and LogLikelihood not helpful for implicit feedback!

2014-09-30 Thread Parimi Rohit
Ted, I know LDA can be used to model text data but never used it in this setting. Can you please give me some pointers on how I can apply it in this setting? Thanks, Rohit On Tue, Sep 30, 2014 at 4:33 PM, Ted Dunning ted.dunn...@gmail.com wrote: This is an incredibly tiny dataset. If you

Re: Cosine Similarity and LogLikelihood not helpful for implicit feedback!

2014-09-29 Thread Ted Dunning
How are you using LLR to compute user similarity? It is normally used to compute item similarity? Also, what is your scale? how many users? how many items? how many actions per user? On Mon, Sep 29, 2014 at 6:24 PM, Parimi Rohit rohit.par...@gmail.com wrote: Hi, I am exploring a