def read_ranking_files(self):
for ranking_file in self.list_rank_files:
ranking = ReadFile(ranking_file, space_type=self.space_type)
rank_interaction, list_interaction = ranking.read_rankings()
self.rankings.append(rank_interaction)
self.normalization.append([min(list_interaction), max(list_interaction)])
self.averages.append(ranking.average_scores)
self.num_user_int.append(ranking.num_user_interactions)
