By a News Reporter-Staff News Editor at Insurance Weekly News -- Investigators publish new report on Risk Management. According to news reporting out of Montreal, Canada , by VerticalNews editors, research stated, "This paper focuses on the relevance of alternate discrete outcome frameworks for modeling driver injury severity. The study empirically compares the ordered response and unordered response models in the context of driver injury severity in traffic crashes." Our news journalists obtained a quote from the research from McGill University , "The alternative modeling approaches considered for the comparison exercise include: for the ordered response framework-ordered logit (OL), generalized ordered logit (GOL), mixed generalized ordered logit (MGOL) and for the unordered response framework-multinomial logit (MNL), nested logit (NL), ordered generalized extreme value logit (OGEV) and mixed multinomial logit (MMNL) model. A host of comparison metrics are computed to evaluate the performance of these alternative models. The study provides a comprehensive comparison exercise of the performance of ordered and unordered response models for examining the impact of exogenous factors on driver injury severity. The research also explores the effect of potential underreporting on alternative frameworks by artificially creating an underreported data sample from the driver injury severity sample. The empirical analysis is based on the 2010 General Estimates System (GES) data base-a nationally representative sample of road crashes collected and compiled from about 60 jurisdictions across the United States . The performance of the alternative frameworks are examined in the context of model estimation and validation (at the aggregate and disaggregate level). Further, the performance of the model frameworks in the presence of underreporting is explored, with and without corrections to the estimates." According to the news editors, the research concluded: "The results from these extensive analyses point toward the emergence of the GOL framework (MGOL) as a strong competitor to the MMNL model in modeling driver injury severity." For more information on this research see: Evaluating alternate discrete outcome frameworks for modeling crash injury severity. Accident Analysis and Prevention , 2013;59():506-521. Accident Analysis and Prevention can be contacted at: Pergamon-Elsevier Science Ltd , The Boulevard, Langford Lane , Kidlington, Oxford OX5 1GB, England . ( Elsevier - www.elsevier.com ; Accident Analysis and Prevention - www.elsevier.com/wps/product/cws_home/336 ) Our news journalists report that additional information may be obtained by contacting S. Yasmin, McGill University , Dept. of Civil Engn & Appl Mech , Montreal , PQ H3A 2K6, Canada . Keywords for this news article include: Quebec, Canada , Montreal , Risk Management, North and Central America Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC
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