Research Article
Combined Prediction Model of Death Toll for Road Traffic Accidents Based on Independent and Dependent Variables
Table 2
Predicted value by Verhulst model of traffic accident fatalities in China from 2002 to 2011.
| Year | Fatalities/person | Predicted value/person | Relative error/% |
| 2002 | 109381 | 109381 | 0 | 2003 | 104372 | 104176 | 0.188 | 2004 | 99217 | 98859 | 0.361 | 2005 | 98738 | 93468 | 5.337 | 2006 | 89455 | 88042 | 1.580 | 2007 | 81649 | 82621 | 1.190 | 2008 | 73484 | 77246 | 5.119 | 2009 | 67159 | 71955 | 7.141 | 2010 | 65225 | 66785 | 2.392 | 2011 | 62387 | 61769 | 0.991 | Comprehensive error | ā | ā | 2.700 |
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