A Reference Population-Based Conformance Proportion

Hsin-I Lee, Hungyen Chen, Hirohisa Kishino and Chen-Tuo Liao ()
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Hsin-I Lee: National Taiwan University
Hungyen Chen: The University of Tokyo
Hirohisa Kishino: The University of Tokyo
Chen-Tuo Liao: National Taiwan University

Journal of Agricultural, Biological and Environmental Statistics, 2016, vol. 21, issue 4, No 5, 684-697

Abstract: Abstract Conformance proportion is a useful index in agricultural, biological, and environmental applications, which is defined as the proportion that a characteristic of interest falls in an acceptance region of a specification. In practice, however, the acceptance region may not be available when employing the regular conformance proportion. In this article, we propose a new index in which the acceptance region is obtained from a reference population. Furthermore, we develop approaches to constructing confidence limits for the proposed conformance proportion using the concept of a fiducial generalized pivotal quantity. We first consider the simple situation that the characteristic is assumed to be a univariate normal random variable. Then we extend it to the one-way random effects model. The proposed method is evaluated through simulation study and real data analysis. It is shown that our proposed new index and its statistical inference are easy to implement and reasonably satisfactory for most applications. Supplementary materials accompanying this paper appear on-line.

Keywords: Agricultural management; Environmental assessment; Generalized pivotal quantity; Tolerance interval; Variance component (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (7)

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DOI: 10.1007/s13253-016-0268-z

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