Table 2. Accuracy of different time series models for cumulative confirmed cases.

Method	RMSE	MAE
SES	2499.41	1621.75
Mean	53559.24	42203.94
Naïve	2509.73	1635.32
Seasonal Naïve	17138.84	11261.96
Drift	1903.80	1535.86
Holt’s Linear Trend	422.97	269.17
Holt’s Linear Damped Trend	502.91	305.60
Holt-Winter’s Seasonal Additive	534.92	372.66
Holt-Winter’s Seasonal Multiplicative	975.92	684.93
ETS(A,A,N)	422.97	269.16
ARIMA(0,2,1)(1,0,0) [7]	413.90	268.01