The interpretation of data from collaborative trials: comparing the harmonised protocol with the Analytical Methods Committee robust method

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Philip J. Lowthian, Michael Thompson and Roger Wood


Abstract

Two methods of interpreting collaborative trial data containing discordant values were compared. The trials studied included 32 different materials with analyte concentrations covering a wide range. The bootstrap was used to estimate the frequency distributions and standard errors of the statistics. There was no meaningful difference between the results of the two methods of interpretation.


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