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Optimal Designs for 2^k Factorial Experiments with Binary Response

25 September 2011
Jie Yang
A. Mandal
D. Majumdar
ArXiv (abs)PDFHTML
Abstract

We consider the problem of obtaining locally D-optimal designs for factorial experiments with binary response and kkk qualitative factors at two levels each. We obtain a characterization for a design to be locally D-optimal. Based on this characterization, we develop efficient numerical techniques to search for locally D-optimal designs. We also investigate the properties of fractional factorial designs and study the robustness with respect to the assumed parameter values of locally D-optimal designs. Using prior distributions on the parameters, we investigate EW D-optimal designs, that are designs which maximize the determinant of the expected information matrix. It turns out that these designs are much easier to find and still highly efficient compared to Bayes D-optimal designs, as well as quite robust.

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