AttributeError Traceback (последний вызов последним) в ----> 1 R = Ratings.as_matrix () 2 user_ratings_mean = np.mean (R, axis = 1) 3 Ratings_demeaned = R - user_ratings_mean.reshape (-1, 1) ~ \ Anaconda3 \ lib \ site-packages \ pandas \ core \ generi c .py в getattr (self, name) 5272 если self._info_axis._can_hold_identifiers_and_holds_name (name): 5273 return self [name] -> 5274 return object.getattribute (self, name) 5275 5276 def setattr (self, name: str, value) -> None: AttributeError: объект 'DataFrame' не имеет атрибута 'as_matrix'