Research of the Classification Model Based on Dominance Rough Set Approach for China Emergency Communication

Table 3

Discrimination rule base.

Rule number	Conditions	Decision	Supporting number
1	(B6 <= 2) & (C14 >= 199800.0) & (D2 >= 14400.0) => (E <= 1)	Level 1	5
2	(A1 >= 1) & (B3 >= 3542000.0) & (C13 >= 10200.0) => (E <= 1)	Level 1	5
3	(A1 >= 1) & (B6 <= 2) => (E <= 1)	Level 1	5
4	(A31 >= 54200.0) & (D2 >= 9600.0) & (D3 >= 19043.0) => (E <= 1)	Level 1	5
5	(A31 >= 1954600.0) => (E <= 2)	At least 2	5
6	(B6 <= 2) & (C12 >= 2000.0) => (E <= 2)	At least 2	15
7	(B6 <= 2) & (D2 >= 3500.0) => (E <= 2)	At least 2	13
8	(B3 >= 2.5E8) => (E <= 2)	At least 2	8
9	(B4 <= 2) & (B5 <= 2) => (E <= 2)	At least 2	7
10	(A1 >= 1) & (D1 >= 196786.0) => (E <= 2)	At least 2	6
11	(A22 <= 0) & (B4 <= 2) & (C13 >= 2002033.0) & (C2 >= 53700.0) => (E <= 2)	At least 2	6
12	(A21 >= 17369.0) & (B4 <= 2) => (E <= 3)	At least 3	13
13	(B4 <= 2) & (C2 >= 150000.0) => (E <= 3)	At least 3	27
14	(D1 >= 196786.0) & (D3 >= 760.0) => (E <= 3)	At least 3	13
15	(B4 <= 2) & (C11 >= 1600.0) & (C2 >= 43600.0) => (E <= 3)	At least 2	26
16	(B4 <= 2) & (B6 <= 3) & (C14 >= 281206.0) => (E <= 3)	At least 3	19
17	(D2 >= 3575.0) & (D3 >= 19043.0) => (E <= 3)	At least 3	11
18	(A32 <= 13400.0) & (B4 >= 4) & (B6 >= 3) => (E >= 4)	Level 4	5
19	(C2 <= 8300.0) => (E >= 3)	At most 3	6
20	(A32 <= 13400.0) & (B6 >= 3) & (C2 <= 42700.0) => (E >= 3)	At most 3	10
21	(A31 <= 508700.0) & (C11 <= 1500.0) & (C2 <= 131900.0) => (E >= 3)	At most 3	5
22	(C2 <= 25800.0) => (E >= 2)	At most 2	12
23	(B6 >= 2) & (D3 <= 116.0) => (E >= 2)	At most 2	20
24	(A31 <= 43900.0) & (B6 >= 3) => (E >= 2)	At most 2	21
25	(B2 = 2) & (B6 >= 2) & (D3 <= 960.0) => (E >= 2)	At most 2	5
26	(B2 = 2) & (D1 <= 7900.0) => (E >= 2)	At most 2	7
27	(A1 <= 0) & (B6 >= 3) & (D3 <= 16140.0) => (E >= 2)	At most 2	21
28	(A22 >= 3) & (D3 <= 1000.0) => (E >= 2)	At most 2	7
29	(A1 <= 0) & (A22 >= 1) & (D2 <= 5900.0) => (E >= 2)	At most 2	6