But is it then ranking the recommendations by the estimated pref? If it's always 1, then the ordering is not meaningful.
Maybe it is, I just haven't looked at your changes in much detail since you made them although it looked broadly correct and proper. On Fri, Nov 26, 2010 at 6:33 PM, Sebastian Schelter <[email protected]> wrote: > If all ratings have value 1 (cause we use boolean data) the result of > the Predicition can also only be 1.
