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## Package prea.recommender.baseline

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.

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