原文传递 Trucks Involved in Fatal Accidents Codebook 2008 (Version January 21, 2011).
题名: Trucks Involved in Fatal Accidents Codebook 2008 (Version January 21, 2011).
作者: D. Hershberger J. Woodrooffe L. Jarossi L. Pettis
关键词: codebook;distribution;documentation;anua;ident;cide;ccid;census;ersi;vers
摘要: This report provides documentation for UMTRIs file of Trucks Involved in Fatal Accidents (TIFA), 2008, including distributions of the code values for each variable in the file. The 2008 TIFA file is a census of all medium and heavy trucks involved in a fa ...
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