On Novel Nonhomogeneous Multivariable Grey Forecasting Model NHMGM

Table 3

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

	NHMGM-2	NHMGM-1	NMGM	MGM	GM	NGM
2	4.00	1.91	10.00	13.55	28.09	32.55
3	2.97	6.41	11.55	18.66	28.28	32.48
4	1.12	14.82	18.68	27.44	33.30	37.09
5	1.69	22.53	25.78	35.71	39.59	42.92
MAPE	2.45	11.42	16.50	23.84	32.32	36.26
6	5.24	29.37	31.51	42.24	45.69	48.62