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Estimer des flux de navetteurs avec un modèle gravitaire. Application géomatique en Région Provence-Alpes-Côte d'Azur (France)

Abstract : This paper investigates the modeling of journeys to work commuting flows using gravity models. Based on a study for the Provence-Alpes Côte d'Azur region, a model that meets the principle of parsimony, based on publicly available data, was designed to meet the need for forecasting, while ensuring transparency and reproducibility of the method. Different models are processed, tuning several input variables such as the masses of geographical entities, the way to compute short distances as the crow flies, the time budget constraint from Zahavi, and successive resampling. The results show that it is possible to build a robust model of correct quality to estimate the commuting flows, using INSEE data and a log-linear gravity computation, while reducing the sample size.
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https://hal.archives-ouvertes.fr/hal-02974718
Contributor : Didier Josselin <>
Submitted on : Thursday, October 22, 2020 - 9:04:55 AM
Last modification on : Wednesday, January 6, 2021 - 8:58:01 AM

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Didier Josselin, Samuel Carpentier-Postel, Frédéric Audard, Safaâ Amarouch, Jean-Baptiste Durand, et al.. Estimer des flux de navetteurs avec un modèle gravitaire. Application géomatique en Région Provence-Alpes-Côte d'Azur (France). Geomatica, Association canadienne des sciences géomatiques, 2020, ⟨10.1139/geomat-2020-0009⟩. ⟨hal-02974718⟩

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