Calibrating Agent-Based Models Using Uncertainty Quantification Methods

Josie McCulloch (), Jiaqi Ge (), Jonathan Ward (), Alison Heppenstall (), J. Gareth Polhill () and Nicolas Malleson ()
Additional contact information
Jiaqi Ge: https://environment.leeds.ac.uk/geography/staff/2702/jiaqi-ge
Jonathan Ward: https://eps.leeds.ac.uk/maths/staff/4092/dr-jon-ward
Alison Heppenstall: https://www.gla.ac.uk/schools/socialpolitical/news/headline_804595_en.html
J. Gareth Polhill: https://www.hutton.ac.uk/people/gary-polhill/
Nicolas Malleson: https://environment.leeds.ac.uk/geography/staff/1069/dr-nick-malleson

Journal of Artificial Societies and Social Simulation, 2022, vol. 25, issue 2, 1

Abstract: Agent-based models (ABMs) can be found across a number of diverse application areas ranging from simulating consumer behaviour to infectious disease modelling. Part of their popularity is due to their ability to simulate individual behaviours and decisions over space and time. However, whilst there are plentiful examples within the academic literature, these models are only beginning to make an impact within policy areas. Whilst frameworks such as NetLogo make the creation of ABMs relatively easy, a number of key methodological issues, including the quantification of uncertainty, remain. In this paper we draw on state-of-the-art approaches from the fields of uncertainty quantification and model optimisation to describe a novel framework for the calibration of ABMs using History Matching and Approximate Bayesian Computation. The utility of the framework is demonstrated on three example models of increasing complexity: (i) Sugarscape to illustrate the approach on a toy example; (ii) a model of the movement of birds to explore the efficacy of our framework and compare it to alternative calibration approaches and; (iii) the RISC model of farmer decision making to demonstrate its value in a real application. The results highlight the efficiency and accuracy with which this approach can be used to calibrate ABMs. This method can readily be applied to local or national-scale ABMs, such as those linked to the creation or tailoring of key policy decisions.

Keywords: Calibration; Optimisation; History Matching; Proximate Bayesian Computation; Uncertainty; Agent-Based Modelling (search for similar items in EconPapers)
Date: 2022-03-31
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Citations: View citations in EconPapers (1)

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