def get_data_key_list():
    """ return dataset name list """
    return ['ad', 'mnist_0_1', 'mnist_2_3', 'mnist_4_5', 'bank',
        'biomechanical', 'census', 'covtype', 'covtype_0_of_20',
        'covtype_1_of_20', 'covtype_2_of_20', 'credit_card', 'diabetes',
        'digits', 'german_credit', 'glass', 'human_activity',
        'indian_liver', 'iris', 'mushrooms', 'robot', 'steel', 'titanic',
        'wine', 'wisc']
