منابع مشابه
No Confidence In Confidence Factors
The solution of most commercial rule-based expert systems consists of two components –the conclusion(s) reached and a calculated measure of belief in the conclusion(s), expressed as a single number. In non-deterministic domains, this number is often the most critical factor in analyzing the solution. However, as this paper reviews, a robust calculus for this number has yet to be documented, ind...
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Implementing public health measures with obvious benefits becomes a complex struggle when commercial interests are paramount T he evening of 25 March 2009 was cool for the community consultation — a necessary step before the implementation of fluoridation of the Cobram water supply. There were only a few people present in the Civic Centre, but they warmly applauded the initiative. None of the e...
متن کاملOn Increasing Confidence in Confidence Intervals
A set of N data elements (xI +•.• + X~)/N and variance of the th The r moment of the data elements elements is used to estimate E(xr ). th r x1' •.•• xN has r moment E(x)= th r 2r 2 r r moment Var(x ) = E(x )-E (x ). in an arbitrary subset of k Over all the choices of the sample, the mean error is zero and the mean squared error N-k r k(N-I) Var(x). A little-known theorem by Marlow shows that t...
متن کاملAssessment of the Relation between Students' Gender and Their Scores on Selecting Confidence Choices in Confidence-Based Exams
Introduction: There are various ways such as confidence-based exams to eliminate lucky guesses on a multiple choice question test. In this study the relation between students’ gender and their score on selecting confidence choices in confidence based exams was assessed. Methods: This was a descriptive retrospective study. It was done on all of the medical students taking Biochemistry course du...
متن کاملJoint Confidence Regions
Confidence intervals are one of the most important topics in mathematical statistics which are related to statistical hypothesis tests. In a confidence interval, the aim is that to find a random interval that coverage the unknown parameter with high probability. Confidence intervals and its different forms have been extensively discussed in standard statistical books. Since the most of stati...
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ژورنال
عنوان ژورنال: Nature
سال: 1976
ISSN: 0028-0836,1476-4687
DOI: 10.1038/263368b0