Power functions for statistical control rules

We have studied power functions for several control rules by use of a computer simulation program. These power functions show the relationship between the probability for rejection and the size of the analytical errors that are to be detected. They allow some assessment of the quality available from...

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Bibliographic Details
Published inClinical chemistry (Baltimore, Md.) Vol. 25; no. 6; pp. 863 - 869
Main Authors Westgard, JO, Groth, T
Format Journal Article
LanguageEnglish
Published England Am Assoc Clin Chem 01.06.1979
Subjects
Chemistry, Clinical
Computers
Methods
Statistics as Topic
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Summary:We have studied power functions for several control rules by use of a computer simulation program. These power functions show the relationship between the probability for rejection and the size of the analytical errors that are to be detected. They allow some assessment of the quality available from present statistical control systems and provide some guidance in the selection of control rules and numbers of control observations when new control systems are designed.
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ISSN:0009-9147
1530-8561
DOI:10.1093/clinchem/25.6.863