Evaluation of Measurement Comparisons Using Generalised Least Squares: the Role of Participants' Estimates of Bias Uncertainty

Details Evaluation of Measurement Comparisons Using Generalised Least Squares: the Role of Participants' Estimates of Bias Uncertainty Evaluation of Measurement Comparisons Using Generalised Least Squares: the Role of Participants' Estimates of Bias Uncertainty

2012-03-01

arxiv.org/abs/1203.0335v1

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12 pages, 1 figure

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We consider the estimation of laboratory biases through the comparison of measurements made by metrology laboratories when the individual laboratories are considered to have both fixed effects (unknown biases of participants) and random effects ('systematic' participant- specific errors). We show that, when estimating the biases, these random effects can be ignored and we derive the adjustment to the variance estimates of the biases due to these random effects.

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