Modelling spatiotemporal point patterns: a new era of point process models

Charlotte Jones-Todd (University of Auckland)

Friday 4th August, 2023 15:00-16:00 Maths 311B

Abstract

Modelling spatial and temporal patterns in ecology is imperative to understand the complex processes inherent in ecological phenomena. Log-Gaussian Cox processes are a popular choice amongst ecologists, used to describe the spatiotemporal distribution of point-referenced data. In addition, self-exciting point pattern models are becoming increasingly popular to infer the contagious nature of events (e.g., animal sightings, cue rates). In this talk, I will present extensions to these well-known models that include spatiotemporal self-excitation and joint likelihood models. Such models are, often, better equipped to capture the complex mechanisms inherent in many ecological and environmental data.

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