A Model of High-Dimensional Feature Reduction Based on Variable Precision Rough Set and Genetic Algorithm in Medical Image

Table 12

Results of VPRS-GA running 5 times when , .

Experiment times	C_ reduction	Reduction length	Optimal fitness value	Attribute dependency degree	Time (s)
1	{15 44 68 73 79 84}	6	−2.7313	0.7965	1144.9901
2	{34 51 54 75 80 90}	6	−2.7047	0.8460	969.9391
3	{2 34 49 70 71 72 76 81}	8	−3.4057	0.7535	1123.3489
4	{12 25 78 85}	4	−2.2872	0.9285	1166.8133
5	{6 7 12 13 42 44 55 57 65 66 69 77 81 86 87}	15	−3.3230	0.8665	1323.6077
Average value		7.8	−2.8903	0.8382	1145.7398