A Novel Conformable Fractional Nonlinear Grey Bernoulli Model and Its Application

Table 5

Error metrics of CO₂ emissions in China.

Fitting	FANGM	FAGM	NGMO	NGM	CFNGBM	FNGBM
MAE	153.5	220.3	155.8	316.9881	152.5	150.6
MSE	26872.8	65406.3	0.8231	138420.3	41945	29616
MAPE	2.5842	3.7676	2.6513	5.5964	2.6866	2.54
RMSPE	3.0	4.8804	3.2305	7.6696	4.749	3.35
R	0.99	0.9948	0.9968	0.9953	0.9961	0.997
Prediction	FANGM	FAGM	NGMO	NGM	CFNGBM	FNGBM
MAE	710.0	841.5226	712.014	585.3498	300.2	473.7
MSE	524020.8	752026.2	525870.6	364849.21	96383	232290
MAPE	7.6790	9.09	7.7009	6.3281	3.256	5.12
RMSPE	7.8225	9.356	7.8375	6.5233	3.374	5.22
R	0.8144	0.823	0.8117	0.8117	0.737	0.784