On Novel Nonhomogeneous Multivariable Grey Forecasting Model NHMGM

Table 4

ARPE and MAPE of six different grey forecasting models for (%).

	NHMGM-2	NHMGM-1	NMGM	MGM	GM	NGM
2	2.67	0.76	7.71	13.62	28.86	27.14
3	0.50	8.14	10.86	19.11	29.21	28.86
4	2.71	17.08	18.35	28.04	34.28	34.26
5	4.01	25.39	25.77	36.45	40.64	40.57
MAPE	2.47	12.84	15.67	24.31	33.25	32.71
6	3.86	28.14	27.21	39.20	43.16	42.91