Forecasting the Short-Term Traffic Flow in the Intelligent Transportation System Based on an Inertia Nonhomogenous Discrete Gray Model

Table 3

Comparison of simulative and predictive results between the SINDGM and TINDGM for August 28.

Serial number	Congested flow (smooth traffic)	SINDGM	TINDGM	Congested flow	SINDGM	TINDGM
		Simulated data	Simulated data		Simulated data	Simulated data
	135.25	135.25	135.25	159.75	159.75	159.75
	134.50	135.23	129.75	171.25	144.59	167.72
	121.75	135.24	132.71	178.75	149.78	176.35
	134.50	135.24	132.69	176.00	153.20	182.02
	139.75	135.24	132.70	180.25	155.44	185.75
	137.75	135.25	132.70	184.00	156.92	188.20
	121.75	135.25	132.70	207.25	157.89	189.81
	134.75	135.25	132.70	185.50	158.53	190.87
MAPE		0.0409	0.0473		0.1594	0.0335
		Forecasted data	Forecasted data		Forecasted data	Forecasted data
	138.75	135.25	132.70	208.25	158.94	191.57
	140.50	135.25	132.70	221.75	159.22	190.03
	140.00	135.25	132.70	190.00	159.40	192.32
	137.00	135.25	132.70	186.00	159.52	192.53
MAPE		0.0273	0.0456		0.2055	0.0654