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

Table 2

Comparison of simulative and predictive results between the SINDGM and TINDGM for August 23.

Serial number	Free flow	SINDGM	TINDGM	Free flow (steady flow)	SINDGM	TINDGM
		Simulated data	Simulated data		Simulated data	Simulated data
	114.00	114.00	114.00	114.75	114.75	114.75
	116.75	113.17	114.57	112.75	114.82	113.84
	119.50	113.84	123.65	115.50	114.72	121.70
	126.00	113.97	125.41	131.25	114.76	118.81
	129.50	113.98	125.76	112.75	114.75	119.87
	125.75	113.99	125.82	123.00	114.75	119.48
	120.00	114.00	125.83	116.25	114.74	119.63
	131.00	114.00	125.84	117.25	114.75	119.57
MAPE		0.0797	0.0248		0.0385	0.0427
		Forecasted data	Forecasted data		Forecasted data	Forecasted data
	127.50	114.00	125.84	117.75	114.75	119.57
	117.25	114.00	125.84	113.00	114.75	119.59
	127.25	114.00	125.84	125.25	114.75	119.58
	114.75	114.00	125.84	109.75	114.75	119.59
MAPE		0.0611	0.0485		0.0426	0.0522