On Construction of Mappable Nearly Orthogonal Arrays with Column-Orthogonality

Abstract

For designs of computer experiments, two important and desirable properties are projection uniformity and column-orthogonality. However, it is always a challenging task to construct designs with both properties. This paper constructs a series of designs which possess both (near) column-orthogonality and projection uniformity, called (nearly) column-orthogonal mappable nearly orthogonal arrays (MNOAs). Furthermore, we enhance the MNOAs’ projection uniformity on any one dimension by using the constructed (nearly) column-orthogonal MNOAs and rotation matrices. Compared with the existing results (such as Sun and Tang in J Am Stat Assoc 112:683–689, 2017), the newly constructed designs are able to accommodate more design columns and have a much better projection uniformity, for the same run sizes.

Keywords

Column-orthogonality / Combinatorial-orthogonality / Projection uniformity / Resolvable design / Space-filling design

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Funding

National Natural Science Foundation of China(12131001)

National Science Foundation(DMS-18102925)

National Key Research and Development Program of China(2020YFA0714102)

RIGHTS & PERMISSIONS

School of Mathematical Sciences, University of Science and Technology of China and Springer-Verlag GmbH Germany, part of Springer Nature