Substitutes for the Non-existent Square Lattice Designs for 36 Varieties

R. A. Bailey (), Peter J. Cameron, L. H. Soicher and E. R. Williams
Additional contact information
R. A. Bailey: University of St Andrews
Peter J. Cameron: University of St Andrews
L. H. Soicher: Queen Mary University of London
E. R. Williams: Statistical Consultancy Unit, Australian National University

Journal of Agricultural, Biological and Environmental Statistics, 2020, vol. 25, issue 4, No 3, 487-499

Abstract: Abstract Square lattice designs are often used in trials of new varieties of various agricultural crops. However, there are no square lattice designs for 36 varieties in blocks of size six for four or more replicates. Here, we use three different approaches to construct designs for up to eight replicates. All the designs perform well in terms of giving a low average variance of variety contrasts. Supplementary materials accompanying this paper appear online.

Keywords: A-optimality; Computer search; Resolvable block designs; Semi-Latin squares; Sylvester graph (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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DOI: 10.1007/s13253-020-00388-1

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