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A substitute for square lattice designs for 36 treatments. Bailey, Rosemary
Description
If there are $r+2$ mutually orthogonal Latin squares of order $n$ then there is a square lattice design for $n^2$ treatments in $r$ replicates of blocks of size $n$. This is optimal, and has all concurrences equal to $0$ or $1$. When $n=6$ there are no Graeco-Latin squares, and so there are no square lattice designs with replication bigger than three. As an accidental byproduct of another piece of work, Peter Cameron and I discovered a resolvable design for $36$ treatments in blocks of size six in up to eight replicates. No concurrence is greater than $2$, the design is partially balanced for an interesting association scheme with four associate classes, and it does well on the A-criterion. I will describe the design, and say something about its properties.
Item Metadata
Title |
A substitute for square lattice designs for 36 treatments.
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2017-08-08T15:32
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Description |
If there are $r+2$ mutually orthogonal Latin squares of order $n$ then there is a square lattice design for $n^2$ treatments in $r$ replicates of blocks of size $n$. This is optimal, and has all concurrences equal to $0$ or $1$. When $n=6$ there are no Graeco-Latin squares, and so there are no square lattice designs with replication bigger than three. As an accidental byproduct of another piece of work, Peter Cameron and I discovered a resolvable design for $36$ treatments in blocks of size six in up to eight replicates. No concurrence is greater than $2$, the design is partially balanced for an interesting association scheme with four associate classes, and it does well on the A-criterion. I will describe the design, and say something about its properties.
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Extent |
38 minutes
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Subject | |
Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: University of St Andrews
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Series | |
Date Available |
2018-02-04
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0363406
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Faculty
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International