Particle swarm based algorithms for finding locally and Bayesian D-optimal designs
Abstract
Abstract When a model-based approach is appropriate, an optimal design can guide how to collect data judiciously for making reliable inference at minimal cost. However, finding optimal designs for a statistical model with several possibly interacting factors can be both theoretically and computationally challenging, and this issue is rarely discussed in the literature. We propose nature-inspired metaheuristic algorithms, like particle swarm optimization (PSO) and its variants, to solve such optimization problems. We demonstrate that such techniques, which are easy to implement, can find different types of optimal designs for models with several factors efficiently. To facilitate use of such algorithms, we provide computer codes to generate tailor made optimal designs and evaluate efficiencies of competing designs. As applications, we apply PSO and find Bayesian optimal designs for Exponential models useful in HIV studies and re-design a car-refuelling study for a Logistic model with ten factors and some interacting factors.
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Engineering (General). Civil engineering (General)
Information technology
Technology
Science (General)
neurology. diseases of the nervous system
social sciences (general)
special aspects of education
mathematics
electronic computers. computer science
industrial engineering. management engineering
computer software
probabilities. mathematical statistics
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54002
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