Forecasting the Number of the Wounded after an Earthquake Disaster Based on the Continuous Interval Grey Discrete Verhulst Model

Table 3

Upper and lower bound errors.

	Time	Actual value	Prediction value	Residual	Relative error (%)
		Lower bound	1	2168	2168	0	0.00000
2	6700		6699.83	0.17	0.00254
3	11393		11392.625	0.375	0.00329
4	11460		11460.525	−0.525	0.00458
Average of relative error					0.00347
Upper bound	1	6700	6700	0	0.00000
	2	11393	11393.15	−0.15	0.00132
	3	11460	11459.295	0.705	0.00615
	4	11470	11469.995	0.005	0.00004
Average of relative error					0.00250
Comprehensive average relative error					0.00299