推荐算法-Surprise

    from surprise import SVD, KNNWithMeans, Reader
    import os
    from surprise import Dataset
    from surprise.model_selection import cross_validate
    # 默认载入movielens数据集
    # data = Dataset.load_builtin('ml-100k')
    
    # 载入自己数据集的方法
    # 把path中包含的"~"和"~user"转换成用户目录
    filepah = os.path.expanduser('~/.surprise_data/ml-100k/ml-100k/u.data')
    reader = Reader(line_format='user item rating timestamp', sep='\t')
    data = Dataset.load_from_file(fi