OK... but i am getting recommendations for this data file! And i also tried the other data file after removing some of the items but the recommendation list is still empty. Can you please have a look at it that you have the code and the data now.
On Wed, Jul 15, 2009 at 2:52 PM, Sean Owen <[email protected]> wrote: > I have them now. Yes, again Thomas's analysis is correct about why > there are no recommendations from the .txt file. See the previous > messages about what to do. > > The other data file has a different issue. All the ratings are the > same. Correlation-based similarity metrics will not work as they > cannot define a similarity in such a case (correlation is undefined). > It will be unable to give recommendations as a result. You need to try > a different metric like TanimotoCoefficientSimilarity. > > If that works well, there is a way to make this a lot faster. We can > discuss it next. > > On Wed, Jul 15, 2009 at 1:48 PM, Laya Patwa<[email protected]> wrote: > > There is a problem in the mailing system I guess. I am sending 1 file in > 1 > > mail. This has the code file. > > > > On Wed, Jul 15, 2009 at 2:15 PM, Sean Owen <[email protected]> wrote: > >> > >> There is still only one text file attached. But anyway I believe Thomas > >> has > >> identified the problem. > >> > >> On Jul 15, 2009 1:03 PM, "Laya Patwa" <[email protected]> wrote: > >> > >> You did not get the code? But I sent it. Anyways please find 3 files > >> attached with this mail containing the code and the 2 data files. > >> My apologies for the mistake. > >> > >> On Wed, Jul 15, 2009 at 1:57 PM, Sean Owen <[email protected]> wrote: > > > > >> Thomas is right, you have... > > > > >
