Python数据标准化是什么

def stand_demo():

    """

    标准化

    :return:

    """

    # 1. 获取数据

    data = pd.read_csv('dating.txt')

    data = data.iloc[:, :3]

    print('data:\n', data)

    # 2.实例化一个转换器类

    transfer = StandardScaler()

    # 3.调用fit_transform()

    data_new = transfer.fit_transform(data)

    print('data_new:\n', data_new)

    return None