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Title: A Bayesian approach to multivariate measurement system assessment

Journal Article · · Journal of Quality Technology
OSTI ID:1331257
 [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

This article considers system assessment for multivariate measurements and presents a Bayesian approach to analyzing gauge R&R study data. The evaluation of variances for univariate measurement becomes the evaluation of covariance matrices for multivariate measurements. The Bayesian approach ensures positive definite estimates of the covariance matrices and easily provides their uncertainty. Furthermore, various measurement system assessment criteria are easily evaluated. The approach is illustrated with data from a real gauge R&R study as well as simulated data.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1331257
Report Number(s):
LA-UR-14-28562
Journal Information:
Journal of Quality Technology, Vol. 48, Issue 3; ISSN 0022-4065
Publisher:
American Society for Quality (ASQ)Copyright Statement
Country of Publication:
United States
Language:
English