calc sims

gistfile1.txt

        venues = []
        others = []
        sims = []
        dictVenues = VenueToVenue.transformDict(user_ratings)
        for venueID in dictVenues.keys():
            for otherID in dictVenues.keys():
                if otherID == venueID:
                    sim = 0
                else:
                    sim = dist_metric(dictVenues[venueID], dictVenues[otherID])
                if sim > 0:
                    venues.append(venueID)
                    others.append(otherID)
                    sims.append(sim)

        tempsims = (venues, others, sims)
        return coo_matrix((tempsims[2], (tempsims[0], tempsims[1]))).tolil()