c3a6f53a6523a086752c07047c888a1019ba5773,recommenders/rating_prediction/base_rating_prediction.py,BaseRatingPrediction,__init__,#BaseRatingPrediction#Any#Any#Any#,7

Before Change

        if test_file != "":
            self.test = ReadFile(test_file, self.space_type)
            self.test.main_information()
            self.dataset_users = sorted(list(set(self.train.list_users + self.test.list_users)))
            self.dataset_items = sorted(list(set(self.train.list_items + self.test.list_items)))

        else:
            self.dataset_users = self.train.list_users

After Change

        self.bu = dict()
        self.bi = dict()
        self.bui = dict()
        self.matrix = np.zeros((len(self.train_users), len(self.train_items)))
        self.map_items = dict()
        self.map_users = dict()

        for item_id, item in enumerate(self.train_items):

Instances