D-optimal Approximate Design for Binary Regression and Quantal Response in Toxicology Studies
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We provide a systematic treatment of D-optimal design for binary regression and quantal response models in toxicology studies. For the two-parameter case, we provide an analytical equation (WC equation) for computing the D-optimal design quickly and when analytical solution is not available, we apply particle swarm optimization to solve for the D-optimal design. Examples with various link functions are given as well as the sensitivity functions. We extend the two-parameter case to three-parameter case by providing a neat formula for the determinant of the information matrix. We also suggest practitioners to work with the neat formula to derive optimal designs for three-parameter binary regression models.
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