International Journal of Mathematics and Statistics Studies (IJMSS)

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Efficiency Measures of a Class of Regular-Graph Semi-Latin Rectangles with Block Size Two and Odd Number of Treatments

Abstract

A semi-Latin rectangle (SLR), denoted (h × p)/k, is a row-column design consisting of v treatments in h rows and p columns (where h may or may not be equal to p), where each        row-column intersection (cell) which constitutes a block contains k treatments and each treatment of the design occurs the same number of times in each row, denoted  and the same number of times in each column, denoted  (where  and  need not be all 1). Regular-graph semi-Latin rectangles (RGSLRs) are SLRs which possess the property that, for any two pairs of distinct treatments, their concurrences differ by at most one. This work considers RGSLRs with k = 2, where the number of treatments (v) is odd and h = p = v, which are the smallest RGSLRs for odd values of v. Construction for such design is given in Uto and Bailey (2022). However, the foregoing paper does not give the efficiency measures of these designs. We determine the A-, D- and E-efficiency measures of these designs for some odd values of v to give information on how good the designs are for experimentation. Results show that the designs have good efficiency measures, hence are good designs for experiments involving designs of their sizes.

Keywords: Canonical efficiency factor, Connected design, Efficiency measures., Quotient block design, Regular-graph semi-Latin rectangle, Semi-Latin rectangle

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This work by European American Journals is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 Unported License

 

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Email ID: editor.ijmss@ea-journals.org
Impact Factor: 7.80
Print ISSN: 2053-2229
Online ISSN: 2053-2210
DOI: https://doi.org/10.37745/ijmss.13

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