import alpenglow.Getter as rs
import alpenglow.offline
[docs]class PopularityModel(alpenglow.offline.OfflineModel):
"""Recommends the most popular item from the set of items.
"""
def _fit(self, recommender_data, users, items, matrix):
model = rs.PopularityModel()
updater = rs.PopularityModelUpdater()
updater.set_model(model)
learner = rs.OfflineIteratingLearner(**self.parameter_defaults(
seed=67439852,
))
learner.set_model(model)
learner.add_simple_updater(updater)
learner.set_recommender_data(recommender_data)
return (model, learner)