7. How do you validate your model?
Standard NF T 90-210 "Qualité de l'eau – Protocole d'évaluation initiale des performances d'une méthode dans un laboratoire" proposes a method for validating the chosen model by studying residuals. Residuals are the errors made when comparing the value of x recovered from the response y and the model, with the value of x introduced (see figure Model error).
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Bibliography
P.H. Cornillon, E.M. Lober, Regression – Theory and application , Ed Springer
Collège Français de Métrologie (CFM): "Application of the new VIM 3 calibration concept" and the associated M-CARE processing software, downloadable from the CFM website
ToolNormative reference
Standard NF T 90-210 "Qualité de l'eau – Protocol for the initial evaluation of the performance of a method in a laboratory".
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