Assessing a binary measurement system: A new plan using targeted verification with conditional sampling and baseline information

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Date

2019-11

Authors

Severn, Daniel Ernest
Steiner, Stefan H.
MacKay, R. Jock

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Publisher

Elsevier

Abstract

We investigate efficient plans to assess the misclassification error rates of a binary measurement system used as an in-line inspection protocol. We assume that parts can be inspected repeatedly and that each part has its own (latent) misclassification rate. We propose a three-phase assessment plan. Phase I consists of data from recent inspection history. In Phase II, we select a sample of failed parts that we re-measure multiple times with the binary measurement system of interest. In Phase III, we verify a carefully selected subsample of the parts from Phase II with the aid of a binary gold standard measurement system. We show that the proposed plan is a substantial improvement over existing assessment plans in terms of cost and/or precision.

Description

The final publication is available at Elsevier via https://doi.org/10.1016/j.measurement.2019.06.019. © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

baseline data, binary measurement system assessment, conditional sampling, targeted verification

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