It's still true. There aren't much better tests you can run in this situation, since you are not evaluating predicted ratings, but attempting to assess how good the recommendations are when you don't have any nearly complete information on what the good recommendations are a priori.
On Fri, Dec 14, 2012 at 10:37 AM, ashish negi <[email protected]> wrote: > Thanks for quick reply and suggestions. > So Is there any measure to test whether SVD is performing on data or not? > > I read following lines from you book mahout in action > --- > In the case of Boolean preference data, only a precision-recall test is > available > anyway. It’s worth understanding the test’s limitations in this context. > --- > > Is it true now also (with new version of mahout)? > Regards, > Ashish
