A- and R-optimal Design for Hierarchical Linear Model with Two-Group Assignments
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Graphical Abstract
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Abstract
This paper discusses the optimal design problem for the hierarchical linear model with twogroup assignments. A-optimal and R-optimal designs are considered for the estimation of the fixed effects. We establish two equivalence theorems to determine the A-optimality and R-optimality of a given design, respectively, and provide an illustrative example to find A- and R-optimal designs for the straight line model with random intercept.
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