Looks like a small bug to me. When it happens that *all* the items from one user are considered relevant, and, that user happens to be the one being evaluated, this happens.
Easy to fix and I'll commit it in just a second here. Get the latest from SVN in a few minutes and try agian. On Wed, Nov 4, 2009 at 12:22 PM, michal shmueli <[email protected]> wrote: > Hi, > > I'm trying to evaluate the quality of the Boolean recommender. (I have no > ratings in my data but only: (userId,itemId,1) 1 for all entries. > I'm using this setting for the recommender:
