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NASS(National Automotive Sampling System) GES(General Estimates System) 2008 Codebook Version 22 May 09.
| 题名： | NASS(National Automotive Sampling System) GES(General Estimates System) 2008 Codebook Version 22 May 09. |
| 关键词： | *Motor-vehicles-accidents; *Automobiles-.;Highway-safety; Operations-; Sample-design; Files-; Imputation-process; Estimates-; Users-manual. |
| 摘要： | This codebook documents data sets describing a sample of motor vehicle accidents that occurred in the USA during calendar year 2008. The data sets were generated by the Transportation Data Center at the University of Michigan's Transportation Research Institute (UMTRI) from data collected by the National Center for Statistics and Analysis (NCSA) of the National Highway Traffic Safety Administration (NHTSA). The cooperation of NHTSA is gratefully acknowledged. These data are a copy of the NHTSA files released on May 22, 2009. |
| 报告类型： | 科技报告 |
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