Title: Foundations of uncertainty in evaluation of nominal properties
Authors: MARI LUCANARDUZZI CLAUDIONORDIN GUNNARTRAPMANN STEFANIE
Citation: MEASUREMENT vol. 152 no. 107397 p. 1-7
Publisher: ELSEVIER SCI LTD
Publication Year: 2019
JRC N°: JRC115425
ISSN: 0263-2241 (online)
URI: 10.1016/j.measurement.2019.107397
https://publications.jrc.ec.europa.eu/repository/handle/JRC115425
Type: Articles in periodicals and books
Abstract: Measurement uncertainty is a key component of metrology but, as it is defined, it does not apply to nominal properties. The possibility to define, evaluate, and express the uncertainty in the examination of nominal properties is then a critical prerequisite for a harmonized treatment of nominal properties in metrology. The assumption at the basis of this paper is that examination uncertainty can be understood in analogy with and as a generalization of measurement uncertainty. To this aim a foundational framework is introduced, grounded on a generic concept of evaluation uncertainty that applies equally to quantitative and non-quantitative evaluations. Based on this, a concept of examination uncertainty is presented and some examples of mathematical functions of examination uncertainty are proposed.
JRC Directorate:Health, Consumers and Reference Materials

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