属性组序下基于代价敏感的约简方法

属性组序下基于代价敏感的约简方法

刘鑫,胡军,张清华

Attribute reduction based on cost sensitive under attribute group order

Xin Liu,Jun Hu,Qinghua Zhang

表3 Lymphography数据集在10种不同分组方式下的约简结果

Table 3 Reduction results of Lymphography dataset under ten different grouping methods

$I D$	$A R C S G O (λ = 0.5)$			$A R C S G O (λ = 0)$
$I D$	$R e d u c t$	$C O S T$	$S A P$	$R e d u c t$	$C O S T$	$S A P$
1	$a_{1}, a_{3}, a_{11}, a_{14}, a_{2}, a_{10}, a_{12}, a_{8}, a_{6}$	170	2.44	$a_{14}, a_{18}, a_{3}, a_{1}, a_{10}, a_{12}, a_{16}, a_{18}$	180	2.5
2	$a_{14}, a_{13}, a_{6}, a_{12}, a_{11}, a_{3}, a_{9}, a_{16}, a_{2}$	220	2.77	$a_{14}, a_{13}, a_{2}, a_{12}, a_{11}, a_{6}, a_{3}, a_{16}, a_{9}$	220	2.77
3	$a_{8}, a_{5}, a_{2}, a_{14}, a_{15}, a_{10}, a_{12}, a_{1}$	180	2.5	$a_{8}, a_{5}, a_{2}, a_{14}, a_{1}, a_{12}, a_{10}, a_{15}$	180	2.5
4	$a_{6}, a_{14}, a_{15}, a_{13}, a_{12}, a_{1}, a_{18}$	220	2.28	$a_{6}, a_{13}, a_{2}, a_{15}, a_{14}, a_{18}, a_{12}$	270	2.14
5	$a_{12}, a_{14}, a_{6}, a_{15}, a_{2}, a_{11}, a_{5}, a_{13}$	220	2.37	$a_{14}, a_{15}, a_{12}, a_{2}, a_{18}, a_{13}, a_{11}$	270	2.42
6	$a_{8}, a_{6}, a_{2}, a_{18}, a_{12}, a_{10}, a_{16}, a_{13}$	240	2.25	$a_{14}, a_{2}, a_{18}, a_{13}, a_{10}, a_{17}, a_{16}$	260	2.42
7	$a_{5}, a_{10}, a_{15}, a_{16}, a_{18}, a_{6}, a_{8}, a_{17}, a_{2}$	230	2.33	$a_{5}, a_{18}, a_{15}, a_{10}, a_{16}, a_{2}, a_{8}, a_{6}, a_{17}$	230	2.33
8	$a_{8}, a_{12}, a_{17}, a_{6}, a_{7}, a_{5}, a_{2}, a_{10}, a_{15}, a_{18}$	230	2.2	$a_{13}, a_{2}, a_{6}, a_{17}, a_{18}, a_{10}, a_{15}, a_{11}$	250	2.37
9	$a_{6}, a_{1}, a_{12}, a_{17}, a_{7}, a_{15}, a_{10}, a_{8}, a_{3}, a_{11}, a_{18}$	190	2.27	$a_{14}, a_{15}, a_{12}, a_{18}, a_{3}, a_{8}, a_{10}, a_{11}$	190	2.5
10	$a_{10}, a_{6}, a_{12}, a_{17}, a_{8}, a_{13}, a_{1}, a_{5}, a_{16}, a_{15}$	170	2.22	$a_{14}, a_{6}, a_{13}, a_{17}, a_{1}, a_{5}, a_{15}, a_{16}$	180	2.25