Table 2: Selecting best model for forecasting.

Models New Deaths New Deaths Total Deaths Total Deaths
ARIMA(P,D,Q) / SARIMA(P,D,Q)(p,d,q) ARIMA (5,2,10) SARIMA (8,2,5)(3,2,2) ARIMA (3,2,3) SARIMA (3,2,3)(2,0,0)
AIC -938.8490 -787.8707 -929.0862 -847.4050
SC -882.4410 -722.9302 -902.5412 -815.0939
RMSE 0.021813 0.022029 0.022909 0.023797
MAE 0.0092537 0.0091518 0.0085919 0.0091842
MAPE 0.83075 0.026914 1.0359 0.037849
THEIL'S U 0.1067 0.0039832 0.013931 0.002315
error is normally distributed No No No No
no ARCH effect is present Yes Yes Yes Yes
no autocorrelation in the residuals Yes Yes Yes Yes
Models New Cases New Cases Total Cases Total Cases
ARIMA(P,D,Q)/SARIMA(P,D,Q)(p,d,q) ARIMA (6,2,10) SARIMA (5,2,3)(1,1,1) ARIMA (10,2,2) SARIMA (7,2,3)(1,1,1)
AIC -60.89161 -41.61947 -476.8320 -1045.578
SC -4.483565 -5.504226 -434.3499 -1003.854
RMSE 0.17977 0.19828 0.066212 0.012949
MAE 0.10122 0.11315 0.032833 0.0078238
MAPE 0.010639 0.010793 0.00014523 5.643e-005
THEIL'S U 0.00074624 0.00060478 1.1487e-005 4.079e-006
error is normally distributed No No No No
no ARCH effect is present No No Yes No
no autocorrelation in the residuals Yes Yes No Yes