thanks Peng's answers. Yes, I know this case, but RecommenderJob does not output these records?
On Mon, Aug 25, 2014 at 3:37 PM, Peng Zhang <[email protected]> wrote: > If an item is not similar to anyone else, and a user only connects with > this item, this user doesnt get any recommended items. > > This is just one example. > > Peng Zhang > > -- > Sent from my iPhone > > > On Aug 25, 2014, at 2:22 PM, Wei Li <[email protected]> wrote: > > > > Hi Mahout users: > > > > We have tried the item-based CF recommender with a user_id, item_id, > > rating data. while the recommendation output is less than our expected, > for > > example, if we have 1000 users, the output should have 1000 records, one > > for each user, right? > > > > Best > > Wei >
