Optimal Configuration of a Square Array Group Testing Algorithm

We consider the optimal configuration of a square array group testing algorithm (denoted A2) to minimize the expected number of tests per specimen. For prevalence greater than 0.2498, individual testing is shown to be more efficient than A2. For prevalence less than 0.2498, closed form lower and upp...

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Published inCommunications in statistics. Theory and methods Vol. 40; no. 3; pp. 436 - 448
Main Authors Hudgens, Michael G., Kim, Hae-Young
Format Journal Article
LanguageEnglish
Published Philadelphia, PA Taylor & Francis Group 01.01.2011
Taylor & Francis
Taylor & Francis Ltd
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ISSN0361-0926
1532-415X
DOI10.1080/03610920903391303

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Abstract We consider the optimal configuration of a square array group testing algorithm (denoted A2) to minimize the expected number of tests per specimen. For prevalence greater than 0.2498, individual testing is shown to be more efficient than A2. For prevalence less than 0.2498, closed form lower and upper bounds on the optimal group sizes for A2 are given. Arrays of dimension 2 × 2, 3 × 3, and 4 × 4 are shown to never be optimal. The results are illustrated by considering the design of a specimen pooling algorithm for detection of recent HIV infections in Malawi.
AbstractList We consider the optimal configuration of a square array group testing algorithm (denoted A2) to minimize the expected number of tests per specimen. For prevalence greater than 0.2498, individual testing is shown to be more efficient than A2. For prevalence less than 0.2498, closed form lower and upper bounds on the optimal group sizes for A2 are given. Arrays of dimension 2 × 2, 3 × 3, and 4 × 4 are shown to never be optimal. The results are illustrated by considering the design of a specimen pooling algorithm for detection of recent HIV infections in Malawi.
We consider the optimal configuration of a square array group testing algorithm (denoted A2) to minimize the expected number of tests per specimen. For prevalence greater than 0.2498, individual testing is shown to be more efficient than A2. For prevalence less than 0.2498, closed form lower and upper bounds on the optimal group sizes for A2 are given. Arrays of dimension 2 × 2, 3 × 3, and 4 × 4 are shown to never be optimal. The results are illustrated by considering the design of a specimen pooling algorithm for detection of recent HIV infections in Malawi.
We consider the optimal configuration of a square array group testing algorithm (denoted A2) to minimize the expected number of tests per specimen. For prevalence greater than 0.2498, individual testing is shown to be more efficient than A2. For prevalence less than 0.2498, closed form lower and upper bounds on the optimal group sizes for A2 are given. Arrays of dimension 2 × 2, 3 × 3, and 4 × 4 are shown to never be optimal. The results are illustrated by considering the design of a specimen pooling algorithm for detection of recent HIV infections in Malawi.We consider the optimal configuration of a square array group testing algorithm (denoted A2) to minimize the expected number of tests per specimen. For prevalence greater than 0.2498, individual testing is shown to be more efficient than A2. For prevalence less than 0.2498, closed form lower and upper bounds on the optimal group sizes for A2 are given. Arrays of dimension 2 × 2, 3 × 3, and 4 × 4 are shown to never be optimal. The results are illustrated by considering the design of a specimen pooling algorithm for detection of recent HIV infections in Malawi.
We consider the optimal configuration of a square array group testing algorithm (denoted A2) to minimize the expected number of tests per specimen. For prevalence greater than 0.2498, individual testing is shown to be more efficient than A2. For prevalence less than 0.2498, closed form lower and upper bounds on the optimal group sizes for A2 are given. Arrays of dimension 22, 33, and 44 are shown to never be optimal. The results are illustrated by considering the design of a specimen pooling algorithm for detection of recent HIV infections in Malawi.
Author Hudgens, Michael G.
Kim, Hae-Young
AuthorAffiliation 1 Department of Biostatistics, University of North Carolina at Chapel Hill
2 Center for Statistical Analysis and Research, New England Research Institutes
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  organization: Center for Statistical Analysis and Research, New England Research Institutes
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Algorithm
Statistical method
Statistical test
Screening
Upper bound
Matrix
HIV
Experimental design
Blood testing
Pooled testing
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SubjectTerms Algorithms
Arrays
Blood testing
Combinatorics
Combinatorics. Ordered structures
Composite sampling
Designs and configurations
Exact sciences and technology
Exact solutions
Experimental design
General topics
HIV
Mathematical analysis
Mathematics
Matrix
Optimization
Pooled testing
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Probability and statistics
Sciences and techniques of general use
Screening
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Statistics
Upper bounds
Title Optimal Configuration of a Square Array Group Testing Algorithm
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