Combined Prediction Model of Death Toll for Road Traffic Accidents Based on Independent and Dependent Variables

Table 8

The combined model prediction value of traffic death tolls in China from 2002 to 2011.

Year	Fatalities/person	Prediction value of combined model/person	Relative error/%	Relative error of Verhulst model/%	Relative error of multiple linear regression model/%
2002	109381	109595	0.196	0	0.871
2003	104372	104384	0.011	0.188	0.700
2004	99217	98590	0.632	0.361	1.569
2005	98738	94190	4.606	5.337	2.083
2006	89455	88476	1.094	1.580	0.581
2007	81649	82714	1.304	1.190	1.695
2008	73484	76114	3.579	5.119	1.736
2009	67159	71478	6.431	7.141	3.977
2010	65225	66206	1.504	2.392	1.559
2011	62387	61829	0.894	0.991	0.564
Comprehensive error			2.025	2.700	1.534