An Allometric Algorithm for Fractal-Based Cobb-Douglas Function of Geographical Systems

Table 5

Parameters and statistics of allometric models on public transportation of China’s cities (2006–2012).

Model parameter		2006	2007	2008	2009	2010	2011	2012
Vehicle and passenger		3.8349	11.3699	42.1560	12.1662	6.1807	20.6520	18.3409
		1.1445	1.0344	0.9083	1.0393	1.1115	0.9841	0.9972
		0.8393	0.9137	0.7235	0.8471	0.9240	0.9524	0.9498
Road and passenger		1112.9227	4890.0248	7285.5613	3182.1909	13.5510	21.4487	20.8673
		0.5763	0.4150	0.3908	0.4609	1.0025	0.9573	0.9604
		0.3358	0.3151	0.2682	0.2322	0.8084	0.8064	0.8042

Before 2006, the datasets are not incomplete; that is, there is no observational data for the total length of roads in operation.