Contextual ranking by passive safety of generational classes of light vehicles

Abstract : Each year, the BAAC (Bulletin d'Analyse des Accidents Corporels) data set gathers descriptions of traffic accidents on the French public roads involving one or several light vehicles and injuring at least one of the passengers. Each light vehicle can be associated with its " generational class " (GC), a raw description of the vehicle including its date of design, date of entry into service, and size class. In two given contexts of accident, two light vehicles with two different GCs do not necessarily offer the same level of safety to their passengers. The objective of this study is to assess to which extent more recent generations of light vehicles are safer than older ones based on the BAAC data set. We rely on " scoring " : we look for a score function that associates any context of accident and any GC with a real number in such a way that the smaller is this number, the safer is the GC in the given context. A better score function is learned from the BAAC data set by cross-validation, under the form of an optimal convex combination of score functions produced by a library of ranking algorithms by scoring. An oracle inequality illustrates the performances of the resulting meta-algorithm. We implement it, apply it, and show some results.
Type de document :
Pré-publication, Document de travail
2016
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https://hal.archives-ouvertes.fr/hal-01194515
Contributeur : Antoine Chambaz <>
Soumis le : mercredi 13 juillet 2016 - 14:56:39
Dernière modification le : jeudi 16 mars 2017 - 01:07:48

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carSafety.R1.pdf
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  • HAL Id : hal-01194515, version 2

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Zaïd Ouni, Christophe Denis, Cyril Chauvel, Antoine Chambaz. Contextual ranking by passive safety of generational classes of light vehicles. 2016. <hal-01194515v2>

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