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

Table 2

The initial classification decision table.

	A1	A21	A22	⋯	C14	C2	D1	D2	D3	E
1	1	*	*	⋯	44	140	*	*	20	2
2	1	*	*	⋯	113	334	*	4	1.3	1
3	1	35	1	⋯	476	1500	3	34	14.8	1
4	1	*	3	⋯	21	300	*	9	7.6	2
5	1	2869	2	⋯	774	3896	198	61	68	1
6	0	1070.5	1	⋯	652	1319	81	32	10	4
7	0	*	1	⋯	40	100	7	21	0.1	2
⋮

*indicates missing data.