mathematical model

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A representation of a biological process, system, or relationship by means of a mathematical equation or set of equations, often involving several random variables. The model usually consists of a mixture of variables and one or more associated constants or parameters. A model that does not involve random variables is deterministic. Models can be used to explain complex processes and to predict possible future trends, for instance in the incidence of diseases. In public health, mathematical models of communicable disease epidemiology were developed by William Farr, Ronald Ross, and others, and improved by later workers to plan and evaluate control measures for epidemics of malaria, influenza, HIV/AIDS, and other diseases. Models have been developed for cancer control, cardiovascular disease control, and other health programs.

Subjects: Science and Mathematics — Public Health and Epidemiology.

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