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A Heckman selection model for the safety analysis of signalized intersections
PURPOSE: The objective of this paper is to provide a new method for estimating crash rate and severity simultaneously. METHODS: This study explores a Heckman selection model of the crash rate and severity simultaneously at different levels and a two-step procedure is used to investigate the crash ra...
Autores principales: | Xu, Xuecai, Wong, S. C., Zhu, Feng, Pei, Xin, Huang, Helai, Liu, Youjun |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5521797/ https://www.ncbi.nlm.nih.gov/pubmed/28732050 http://dx.doi.org/10.1371/journal.pone.0181544 |
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