A Predictive Analysis of the Business Environment of Economies along the Belt and Road Using the Fractional-Order Grey Model

Table 5

MAPE values of the testing set.

Testing set
Model	GM (1, 1)	FGM (1, 1)
Country	MAPE (%)	MAPE (%)
Singapore	0.99	0.68
Georgia	0.81	1.97
Latvia	1.19	0.52
Estonia	1.51	0.13
Lithuania	1.52	1.10
Poland	2.98	0.93
Macedonia	2.85	0.71
Czech	1.17	0.51
Israel	1.40	1.89
Slovakia	2.08	0.79
Bulgaria	0.55	0.58
Slovenia	3.34	0.84
Turkey	1.94	2.44
Russia	2.61	0.59
Qatar	4.24	0.32
Hungary	2.08	0.28
Montenegro	2.82	0.31
Oman	0.47	1.40
Bahrain	7.02	5.96
Romania	1.30	2.45
Croatia	1.78	1.10
Armenia	0.54	0.80
Belarus	4.79	0.45
Mongolia	1.94	0.81
Serbia	4.23	1.49
Moldova	1.82	2.99
Vietnam	0.95	0.33
Kazakhstan	5.55	0.17
Kuwait	6.92	4.38
Indonesia	0.86	0.19
Bosnia	2.71	0.37
China	4.58	4.58
Sri Lanka	1.28	8.41
Ukraine	1.40	1.33
Egypt	6.36	0.37
Lebanon	3.57	0.05
Nepal	6.03	4.11
Kyrgyzstan	1.65	1.65
Brunei	5.58	5.37
Jordan	10.64	6.97
Albania	2.54	3.35
Maldives	3.06	2.21
Iran	1.83	3.12
Cambodia	0.05	0.78
Uzbekistan	4.94	1.70
Iraq	2.15	1.62
Syria	5.92	1.90
Bangladesh	8.67	0.44
Lao PDR	0.52	1.61
East Timor	7.48	0.89
Myanmar	6.32	6.16
Afghanistan	6.75	5.60