Phenomenological Modelling of COVID-19 Epidemics in Sri Lanka, Italy, the United States, and Hebei Province of China

Table 2

Goodness of fit statistics of growth models.

Country	Model		AIC	BIC	RMSE
Sri Lanka	Logistic	99.1	1311	1322	70
	Exponential	95	1509	1520	165
	Gompertz	98.9	1339	1352	78
	Weibull	98.7	1360	1374	86
Italy	Logistic	99.6	3128	3141	6077
	Exponential	92.7	3584	3596	26688
	Gompertz	99.9	2738	2753	1697
	Weibull	99.9	2764	2779	1849
China (Hebei)	Logistic	98.9	1163	1175	8
	Exponential	96.2	1376	1389	16
	Gompertz	99	1155	1168	8
	Weibull	98.6	1210	1225	10
United States	Logistic	98.7	4217	4229	97810
	Exponential	90.6	4546	4559	269037
	Gompertz	99.4	4074	4090	62834
	Weibull	99.6	3999	4015	49898