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Analyzing Unreplicated Gauge R&R Studies

Summary: In this article, we show how to analyze an unreplicated gauge repeatability and reproducibility (R&R) study and show the limitations caused by the lack of replication. We use a Bayesian approach and demonstrate it with studies in which the true part or item values either are unknown or known. WinBUGS code is provided for these examples.

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  • Topics: Metrology
  • Keywords: Bayesian methods, Gage Repeatability and reproducibility studies (GR&R), Measurement system, Quality metrics
  • Author: Hamada, Michael S.; Borror, Connie M.
  • Journal: Quality Engineering