lenskit.data.load_movielens_df# lenskit.data.load_movielens_df(path)# Load the ratings from a MovieLens dataset as a raw data frame. The appropriate MovieLens format is detected based on the file contents. Parameters: path (str | Path) – The path to the dataset, either as an unpacked directory or a zip file. Returns: The ratings, with columns user, item, rating, and timestamp. Return type: DataFrame