Title: Testing agreement of isotopic abundance measurements while taking account of acceptable bias
Publisher: Publications Office of the European Union
Publication Year: 2009
JRC N°: JRC54827
ISSN: 1018-5593
Other Identifiers: EUR 24076 EN
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC54827
Type: EUR - Scientific and Technical Research Reports
Abstract: ABSTRACT: This report describes the use of non-central chi-squared tests for verifying agreement between two measurements of isotopic abundances. The proposed tests take account of acceptable bias through different forms of multivariate composite null hypotheses. The testing threshold is chosen by fixing the maximum false alarm rate that is to be tolerated. The report also discusses the use of confidence intervals for the establishment of null hypotheses by means of characterizing measurements made under null hypothesis conditions.
JRC Directorate:Space, Security and Migration

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