Table 3.

Results demonstrating the MAE, RMSLE and RMSE of the daily infected cases for 83 counties of the state of Michigan with JHU data. The lowest MAE, RMSLE and RMSE are marked in bold.

Algorithm	Forecasting horizon	MAE	RMSLE	RMSE
ARIMA (Li, Yu, et al., 2018)	Day 1 $(H=1)$	124.52	3.851	270.78
	12 Days Mean	142.46	4.006	322.06
STGCN (Yu et al., 2018)	Day 1 $(H=1)$	48.30	0.739	95.99
	12 Days Mean	57.31	0.753	126.73
ASTGCN(r) (Guo et al., 2019)	Day 1 $(H=1)$	47.50	0.772	97.14
	12 Days Mean	55.20	0.785	122.10
Graph WaveNet (Wu et al., 2019)	Day 1 $(H=1)$	41.34	0.658	87.97
	12 Days Mean	64.05	0.879	143.61
STTN (Xu et al., 2020)	Day 1 $(H=1)$	42.50	0.812	81.37
	12 Days Mean	49.33	0.810	108.31
STSGT (ours)	Day 1 $(H=1)$	22.04	0.430	40.78
	12 Days Mean	39.47	0.543	90.82