Forecasting COVID-19 Cases Using Alpha-Sutte Indicator: A Comparison with Autoregressive Integrated Moving Average (ARIMA) Method

Table 4

Results of residual analysis—USA series.

Model	Box-Ljung test on residuals( value)	Box-Ljung test on squared residuals( value)	Jarque Bera test( value)	Arch LM test( value)
ARIMA (3,2,3)	2.2e-16	0.01489	7.598e-07	0.001
ARIMA (3,2,4)	2.2e-16	0.02482	4.53e-08	0.001
ARIMA (4,2,4)	2.2e-16	0.04135	3.205e-08	0.001