Returns an instance of recommnder
Returns an instance of recommnder
if a recommender problem, the name of the column containing item ids, otherwise null
indicates whether the project is a recommender problem
if a recommender problem, the name of the column containing user ids, otherwise null
indicates whether the project is a recommender problem
if a recommender problem, the name of the column containing item ids, otherwise null
if a recommender problem, the name of the column containing user ids, otherwise null
(Since version ) see corresponding Javadoc for more information.
The recommender object will describe additional options specified if the project is used for a recommender problem. It will be of the following form:
if a recommender problem, the name of the column containing item ids, otherwise null
indicates whether the project is a recommender problem
if a recommender problem, the name of the column containing user ids, otherwise null