Table 13.

A comparative study of the proposed method with the state-of-the-art models in terms of confirmed cases

	The state-of-the-art models			The proposed model (SARIMA)
	Country	Metrics (RMSE/MAE)	Value	Country	Metrics (RMSE/MAE)	Value
ARIMA [17]	Spain	RMSE	379.89	Spain	RMSE	0.68588
ARIMA [20]	India	MAE	47.42	India	MAE	4.06187
Machine learning (Random Forest) [46]	worldwide	MAE	368.821	worldwide	MAE	1.61697
Deep learning (LSTM) [47]	worldwide	RMSE	30758	worldwide	RMSE	1.57643
Deep learning (LSTM) [48]	US	RMSE	324.61	US	RMSE	1.25634