Class Summary |
Average |
The class implementing a baseline, predicting by overall average of training set ratings. |
BaselineRecommender |
This is an abstract class implementing five baselines, including constant model,
overall average, user average, item average, and random. |
Constant |
The class implementing a baseline, always predicting with the given constant. |
ItemAverage |
The class implementing a baseline, predicting by the average of target item ratings. |
Random |
The class implementing a baseline, predicting uniformly randomly from the score range. |
UserAverage |
The class implementing a baseline, predicting by the average of target user ratings. |