I think it wouldn't be a big problem to reimplement it thought it would have to have a sort of wrapper around the existing evaluator (it would require to evaluate multiple times for a single user, having different relevant items I think).
On 26 July 2011 01:35, Ted Dunning <[email protected]> wrote: > Well, we do have numerous ways to compute AUC. I don't think that they are > integrated into the recommendation evaluation framework yet. Would you > like > to take on the application of suitable glue? > > > On Mon, Jul 25, 2011 at 1:00 PM, Marko Ciric <[email protected]> > wrote: > > > Is there a plan to include this in Mahout in some future release? > > > > On 25 July 2011 17:20, Ted Dunning <[email protected]> wrote: > > > > > That would allow you to compute AUC which might be useful. AUC is the > > > probability that a relevant (purchased) item is ranked higher than a > > > non-relevant item. > > > > > > On Mon, Jul 25, 2011 at 3:16 AM, Marko Ciric <[email protected]> > > > wrote: > > > > > > > The better way to do it is to implement an evaluator which accepts > the > > > > collection of items that are relevant. > > > > > > > > > > > > > > > -- > > -- > > Marko Ćirić > > [email protected] > > > -- -- Marko Ćirić [email protected]
