Agent-Based Modelling: An Overview with Application to Disease Dynamics
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Modelling and computational methods have been essential in advancing quantitative science, especially in the past two decades with the availability of vast amount of complex, voluminous, and heterogeneous data. In particular, there has been a surge of interest in agent-based modelling, largely due to its capabilities to exploit such data and make significant projections. However, any well-established quantitative method relies on theoretical frameworks for both construction and analysis. While the computational aspects of agent-based modelling have been detailed in existing literature, the underlying theoretical basis has rarely been used in its construction. In this exposition, we provide an overview of the theoretical foundation of agent-based modelling and establish a relationship with its computational implementation. In addition to detailing the main characteristics of this computational methodology, we illustrate its application to simulating the spread of an infectious disease in a simple, dynamical process. As the use of agent-based models expands to various disciplines, our review highlights the need for directed research efforts to develop theoretical methods and analytical tools for the analysis of such models.
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