An Approach to Combining Results From Multiple Methods Motivated by the ISO GUM

  title={An Approach to Combining Results From Multiple Methods Motivated by the ISO GUM},
  author={Mark S. Levenson and David L. Banks and Keith R. Eberhardt and L. M. Gill and William F. Guthrie and Hua Kun Liu and Mark G. Vangel and James H. Yen and Nien Fan Zhang},
  booktitle={Journal of research of the National Institute of Standards and Technology},
The problem of determining a consensus value and its uncertainty from the results of multiple methods or laboratories is discussed. Desirable criteria of a solution are presented. A solution motivated by the ISO Guide to the Expression of Uncertainty in Measurement (ISO GUM) is introduced and applied in a detailed worked example. A Bayesian hierarchical model motivated by the proposed solution is presented and compared to the solution. 

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