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From Sean Owen <>
Subject Re: RecommenderJob in mahout-0.4 returning 1.0 score for each recommendation
Date Fri, 26 Nov 2010 18:35:36 GMT
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 <> wrote:
> If all ratings have value 1 (cause we use boolean data) the result of
> the Predicition can also only be 1.

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