Research on Management and Control of Miners’ Unsafe Behavior Based on Gray Theory

Table 9

The GM (1, 1) fitted value of original sequence.

No.	Actual value	Fitted value-actual value	Residual error	Relative error
1	12	12.00	—	—
2	10	14.90	4.90	0.49
3	23	14.82	−8.18	−0.36
4	11	14.74	3.74	0.34
5	15	14.66	−0.34	−0.02
6	13	14.58	1.58	0.12
7	23	14.50	−8.50	−0.37
8	5	14.42	9.42	1.88
9	17	14.34	−2.66	−0.16