A Novel Discrete DGM (2, 1, ) Model Based on Stochastic Oscillation Sequence and Its Application

Table 3

Comparison of the simulated predictions of the four models on short-time traffic flow.

Real value (8.12–8.21)	Model 1		Model 2		Model 3		Model 4
	Simulation value	Simulation error (%)	Simulation value	Simulation error (%)	Simulation value	Simulation error (%)	Simulation value	Simulation error (%)
138.00	138.00	0.00	138.00	0.00	138.00	0.00	138.00	0.00
293.00	293.00	0.00	293.00	0.00	293.00	0.00	293.00	0.00
266.00	226.59	14.81	266.00	0.00	434.36	63.29	266.00	0.00
205.00	233.01	13.66	216.22	5.47	152.57	25.57	216.21	5.47
257.00	273.94	6.59	228.65	11.30	319.06	24.15	228.65	11.03
270.00	202.36	25.05	282.05	4.46	66.05	75.54	282.05	4.46
182.00	170.27	6.44	205.36	12.84	265.49	45.88	205.36	12.83
136.00	239.65	76.21	100.75	25.91	50.19	63.09	100.76	25.91
182.00	267.49	46.97	207.69	14.12	292.83	60.89	207.69	14.11
227.00	203.77	10.22	237.03	4.42	126.96	44.07	237.03	4.41
Mean relative simulation error (%)	20.00		7.83		40.25		7.82
Real value (8.22–8.25)	Prediction value	Prediction error (%)	Prediction value	Prediction error (%)	Prediction value	Prediction error (%)	Prediction value	Prediction error (%)
235.00	141.50	39.78	180.51	23.19	426.19	81.36	180.50	23.18
230.00	116.65	49.28	63.30	72.48	325.13	41.36	17.06	92.58
231.00	105.22	54.45	-40.26	117.43	698.53	202.39	60.54	73.79
183.00	88.19	51.80	274.84	50.19	682.39	272.89	236.28	29.11