First- and Second-Order Characteristics of Spatio-Temporal Point Processes on Linear Networks
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https://doi.org/10.1080/10618600.2019.1694524 |
Metadatos
Título
First- and Second-Order Characteristics of Spatio-Temporal Point Processes on Linear NetworksFecha de publicación
2019-12-23Editor
American Statistical Association; Institute of Mathematical Statistics; Interface Foundation of North America; Taylor and FrancisISSN
1061-8600Cita bibliográfica
MORADI, M. Mehdi; MATEU, Jorge. First-and second-order characteristics of spatio-temporal point processes on linear networks. Journal of Computational and Graphical Statistics, 2020, vol. 29, no 3, p. 432-443.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.tandfonline.com/toc/ucgs20/currentVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
We present several characteristics for spatio-temporal point patterns when the spatial locations are restricted to a linear network. A nonparametric kernel-based intensity estimator is proposed to highlight the ... [+]
We present several characteristics for spatio-temporal point patterns when the spatial locations are restricted to a linear network. A nonparametric kernel-based intensity estimator is proposed to highlight the concentration of events within the network and time, either jointly or separately. We also provide second-order characteristics for spatio-temporal point patterns on linear networks such as K-function and pair correlation function to analyze the type of interaction between points. They are independent of network’s geometry and have known values for Poisson point processes. Finally, we consider some applications to traffic accidents and demonstrate our findings by analyzing datasets of Houston (United States), Medellín (Colombia), and Eastbourne (United Kingdom). Supplementary materials for this article are available online. [-]
Publicado en
Journal of Computational and Graphical Statistics Volume 29, 2020 - Issue 3Proyecto de investigación
GEO-C project (H2020-MSCA-ITN-2014, grant agreement number 642332, Spanish Ministry of Science and Education/MTM2016-78917-R, UJI-B2018-04Derechos de acceso
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/restrictedAccess
info:eu-repo/semantics/restrictedAccess
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