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Title: A graph-theoretic framework for algorithmic design of experiments
Authors: Parker, BM
Gilmour, SG
Koutra, V
Keywords: linear Network Effects Model;optimal Design of Experiments;sustainability;block Designs;isomophic Designs
Issue Date: 26-Feb-2018
Abstract: In this paper, we demonstrate that considering experiments in a graph-theoretic manner allows us to exploit automorphisms of the graph to reduce the number of evaluations of candidate designs for those experiments, and thus find optimal designs faster. We show that the use of automorphisms for reducing the number of evaluations required of an optimality criterion function is effective on designs where experimental units have a network structure. Moreover, we show that we can take block designs with no apparent network structure, such as one-way blocked experiments, row-column experiments, and crossover designs, and add block nodes to induce a network structure. Considering automorphisms can thus reduce the amount of time it takes to find optimal designs for a wide class of experiments.
Appears in Collections:Dept of Mathematics Research Papers

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