MAP is effectively an average over all k from 1 to min(# recommendations, # items rated) Getting first recommendations right is more important than the last.
On Thu, Oct 30, 2014 at 10:21 PM, Debasish Das <debasish.da...@gmail.com> wrote: > Does it make sense to have a user specific K or K is considered same over > all users ? > > Intuitively the users who watches more movies should get a higher K than the > others... > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@spark.apache.org For additional commands, e-mail: dev-h...@spark.apache.org