Table 2.

Unit root test results for training set using augmented Dickey–Fuller (ADF) method.

Dataset	Diff a	ADF Value	p Value b
Daily confirmed cases	0	0.31	0.98
	1	−1.94	0.31
Daily deaths	0	0.79	0.99
	1	−6.99	<0.01
Daily recovery cases	0	0.55	0.99
	1	−2.24	0.19

^a Number of differencing; ^b p-value less than 0.05 indicates that the dataset is stationary.