Table 8.

Error metrics of CO₂ emissions of India

Fitting	NGM	SIGM	GMP	FGM	NGBM(1,1,k,c)	FAGM(1,1,$t^{\alpha }$)	FGBM
MAPE(%)	0.6654	0.6656	0.6685	0.5555	0.5429	0.6646	0.5090
MAE	12.8783	12.8825	12.9674	10.8937	10.4717	13.1051	9.8836
Prediction	NGM	SIGM	GMP	FGM	NGBM(1,1,k,c)	FAGM(1,1,$t^{\alpha }$)	FGBM
MAPE(%)	1.3154	1.3158	1.3889	1.0248	0.9953	2.7872	0.7130
MAE	32.1452	32.1552	33.9366	25.1379	24.3432	68.1367	17.5085