Rowe, Francisco; Lovelace, Robin; Dennett, Adam; (2024) Spatial interaction modelling: A manifesto. In: Wolf, Levis John and Harris, Richard and Heppenstall, Alison, (eds.) A Research Agenda for Spatial Analysis. (pp. 177-196). Elgar Publishing: Cheltenham, UK.

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Abstract

Spatial interaction models (SIMs) are a core tool in spatial data modelling to predict spatial flows and understand their underpinning factors. SIMs have been applied to provide data insights and support decision making in multiple settings, notably in transport, human mobility, migration and epidemiology. While considerable progress has been made on advancing the theoretical and methodological underpinnings of SIMs, key challenges remain to facilitate the application of SIMs, extend existing modelling approaches, and leverage the opportunities afforded by Big Data. We identify three key challenges: reproducibility, calibration and Big Data modelling. We propose a blueprint to tackle these challenges by identifying four areas of development: (1) to enable essential infrastructure to facilitate the training, calibration and reproducibility of SIMs; (2) to embrace modelling frameworks to capture spatial, temporal and population heterogeneity; (3) to enhance statistical inference to accommodate Big Data analysis; and, (4) to integrate data science approaches to enhance SIM-generated predictions and statistical inference

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