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operating characteristic curve

   Also found in: Acronyms 0.01 sec.
operating characteristic curve [′äp·ə‚rād·iŋ ‚kar·ik·tə′ris·tik ′kərv]
(statistics)
In hypothesis testing, a plot of the probability of accepting the hypothesis against the true state of nature. Abbreviated OC curve.


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The area under the receiver operating characteristic curve was used to test the accuracy of continuously coded and categorized predictors.
Matching accuracy is defined as a combination of two quantities: the area under the receiver operating characteristic curve and contrast between the matched region and its background.
Squeglia has extensively updated his work for this edition, which describes the attribute sampling plans, non-statistical sampling plants, relations of c=0 plans to ANSI Z1,4 plans, estimation of potential savings, why constant sample sizes are not used, use of the c=0 plans table, taking the sample, comments of the AOQL, background information, adjustments form other standards, sampling plan switching and guidelines, operating characteristic curves and values, and small lot supplement.
 
 
 
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