A new approach for modal study of instantaneous real world emissions by three-way contingency table analysis with ordered categories


The aim of this paper is to evaluate the NOx emissions trough an accurate analysis of vehicle driving behaviour. For this purpose, a three-way contingency table will be carried out, crossing the NOx emissions, the speed and the acceleration. This contingency table will be analysed by the partition of Marcotorchino index. To complement the survey Ordered Non-Symmetric Correspondence Analysis (ONSCA) will be applied.

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Keywords: Marcotorchino index; kinematic parameters; car emissions

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