Table 1. The average error of the four models when n_step = 1.

Method	December 30			December 31
	RMSE	MAPE (%)	VAPE (%)	RMSE	MAPE (%)	VAPE (%)
SVR	56.22	8.83	1.30	209.10	12.98	0.60
MLP	68.91	11.50	1.39	145.58	10.33	0.44
GBRT	50.37	9.22	0.95	274.75	17.11	1.72
HA	86.72	19.20	2.23	718.70	29.12	6.72