Abstract
A wide range of contributions in the context of spatio-temporal point patterns have been recently developed in many scientific fields, such as environmental sciences, engineering, physics or biology. We consider here the problem of detecting local clusters in spatio-temporal point patterns. Local indicators of spatial association (LISA) have been used as exploratory data analytic tools to examine individual points in a point pattern in terms of how they relate to their neighbouring points. These tools are based on local second-order characteristics of spatial point processes. We extend the notion of spatial dependence to spatio-temporal structures defining LISTA functions derived from spatio-temporal product densities. We derive theoretical properties, and propose unbiased edge-corrected estimators of these new functions.
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Work partially funded by grant MTM2010-14961 from the Spanish Ministry of Science and Innovation.
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Mateu, J., Rodríguez-Cortés, F.J. (2014). Local Clustering in Spatio-Temporal Point Patterns. In: Pardo-Igúzquiza, E., Guardiola-Albert, C., Heredia, J., Moreno-Merino, L., Durán, J., Vargas-Guzmán, J. (eds) Mathematics of Planet Earth. Lecture Notes in Earth System Sciences. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-32408-6_40
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DOI: https://doi.org/10.1007/978-3-642-32408-6_40
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