属性集变化下序决策信息系统的增量属性约简算法
张义宗, 王磊, 徐阳

Incremental attribute reduction algorithm for ordered decision information systems with the change of attribute set
Yizong Zhang, Lei Wang, Yang Xu
表4 两种算法在六个数据集上属性约简结果的比较
Table 4 Attribute reduction results of two algorithms on six datasets
属性集属性数ARKG⁃DRIARAI⁃DR
属性约简长度属性约简长度
Post⁃operative Patient81,2,3,4,5,6,7,881,2,3,4,5,6,7,88
Blood Transfusion Service51,4,531,2,43
Absenteeism201,2,3,4,7,8,10,11,12,13,14,15,16,17,19151,2,3,4,5,6,7,8,11,12,13,15,17,1914
Ionosphere34

4,6,8,9,10,11,14,16,17,18,20,22,23,

24,25,26,27,29,30,31,32,33,34

23

4,6,8,9,10,11,14,16,17,18,19,20,22,

23,24,26,27,29,30,31,32,33,34

23
Cardiotocography36

1,5,7,8,9,10,11,12,14,16,17,20,22,

26,27,28,36

17

1,5,7,8,9,10,11,12,14,16,17,20,22,

26,27,28,36

17
Diabetic Retinopathy20

2,3,4,5,6,7,9,10,11,12,13,14,15,16,

17,18,19,20

18

2,3,4,5,6,7,8,9,10,11,12,13,14,15,

16,17,18,19

18