On Sat, Feb 14, 2015 at 6:05 AM, Eugenio Tacchini < eugenio.tacch...@gmail.com> wrote:
> Hi Pat, I don't understand why it is not a Mahout problem, my goal is to > evaluate (RMSE) the output of a user based algorithm comparing different > user similarity measures, Mahout already has everything I need except the > fact I cannot give in input a custom similarity matrix. > You should be able to implement a special user similarity function that is simply a lookup. If you have all the distances, then you aren't worried about efficiency, by definition.
