No, rating prediction is clearly a supervised ML problem
On Sat, Feb 16, 2013 at 10:15 PM, Sean Owen <sro...@gmail.com> wrote: > This is a good answer for evaluation of supervised ML, but, this is > unsupervised. Choosing randomly is choosing the 'right answers' randomly, > and that's plainly problematic. > > > On Sat, Feb 16, 2013 at 8:53 PM, Tevfik Aytekin > <tevfik.ayte...@gmail.com>wrote: > >> I think, it is better to choose ratings of the test user in a random >> fashion. >> >> On Sat, Feb 16, 2013 at 9:37 PM, Sean Owen <sro...@gmail.com> wrote: >> > Yes. But: the test sample is small. Using 40% of your data to test is >> > probably quite too much. >> > >> > My point is that it may be the least-bad thing to do. What test are you >> > proposing instead, and why is it coherent with what you're testing? >> > >>
