A class of Bayes‐optimal two‐stage screens

R. J. Boys, K. D. Glazebrook and D. J. Laws

Naval Research Logistics (NRL), 1996, vol. 43, issue 8, 1109-1125

Abstract: Items are characterized by a set of attributes (T) and a collection of covariates (X) associated with those attributes. We wish to screen for acceptable items (T ∈ CT), but T is expensive to measure. We envisage a two‐stage screen in which observation of X_ is used as a filter at the first stage to sentence most items. The second stage involves the observation of T for those items for which the first stage is indecisive. We adopt a Bayes decision‐theoretic approach to the development of optimal two‐stage screens within a general framework for costs and stochastic structure. We also consider the important question of how much screens need to be modified in the light of resource limitations that bound the proportion of items that can be passed to the second stage. © 1996 John Wiley & Sons, Inc.

Date: 1996
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https://doi.org/10.1002/(SICI)1520-6750(199612)43:83.0.CO;2-I

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Persistent link: https://EconPapers.repec.org/RePEc:wly:navres:v:43:y:1996:i:8:p:1109-1125

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