Prediction of China’s Express Business Volume Based on FGM (1, 1) Model

Table 1

The MAPE of GM (1, 1) model and FGM (1, 1) model (100 million pieces).

Year	Actual value	GM (1, 1)	FGM (1, 1) (r = 0.8536)
2015	206.6637	206.6637	206.6637
2016	312.8315	314.2032	309.5893
2017	400.5592	396.6401	400.5590
2018	507.1042	500.7057	505.4784
2019	635.2291	632.0748	630.7863
MAPE		0.64%	0.41%