. 2021 Aug 21;29:104631. doi: 10.1016/j.rinp.2021.104631

Table 2.

Criteria of the OLSEs in the univariate HAR( $p$ ) model on cumulative confirmed $C C_{t}$ , cumulative recovered $C R_{t}$ and cumulative deaths $C D_{t}$ cases.

	$C C_{t}$
	RMSE	MAE	$R^{2}$	AIC	BIC
$p = 2$	67.310 (0.00692)	36.658 (0.00377)	1.00	3640	3647
$p = 3$	63.139 (0.00649)	34.647 (0.00356)^a	1.00	3523	3534
$p = 4$	63.016 (0.00648)^a	34.747 (0.00357)	1.00	3446^a	3460^a

	$C R_{t}$
	RMSE	MAE	$R^{2}$	AIC	BIC

$p = 2$	54.935 (0.00625)^a	36.857 (0.00419)^a	1.00	3509	3516
$p = 3$	55.081 (0.00627)	37.650 (0.00428)	1.00	3436	3448
$p = 4$	55.121 (0.00627)	37.747 (0.00429)	1.00	3363^a	3378^a

	$C D_{t}$
	RMSE	MAE	$R^{2}$	AIC	BIC

$p = 2$	1.529 (0.00976)	1.104 (0.00785)	1.00	1195	1203
$p = 3$	1.524 (0.00974)^a	1.101 (0.00703)^a	1.00	1169	1180
$p = 4$	1.531 (0.00978)	1.114 (0.00712)	1.00	1148^a	1163^a

Values in the parentheses indicate the errors divided by standard deviation.

Denotes the best.