Grey Forecast Model with Aging Fractional Accumulation and Its Properties

Table 3

The fitting and predicted values of nine models.

Model	Fitting value			Testing value
	MAPE	MAE	RMSE	MAPE	MAE
AGM (1, 1)	0.4	35.92	47.95	0.11	13.03
EFGM	0.58	50.81	69.04	1.13	134.43
LSSVR	1.06	91.36	131.08	7.96	949.89
ANN	1.61	130.34	147.58	0.63	75.49
ARIMA	0.63	48.08	54.82	6.88	821.07
DGM (1, 1)	1.65	135.68	168.63	3.64	434.92
Verhulst	22.35	1597.68	2161.39	12.38	1477.09
GM (1, 1)	1.64	135.21	168.55	3.57	426.49
FGM (1, 1)	0.85	72.26	87.48	1.46	174.66

The smallest values of these model errors are in bold.