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Preprint 2016-16

Luis M. Castro, José González, Víctor H. Lachos, Alexandre Patriota:

A confidence set analysis for observed samples: A fuzzy set approach

Abstract:

Con dence sets are generally interpreted in terms of replications of an experiment. However, this interpretation is only valid before observing the sample. After observing the sample, any con dence sets have probability zero or one to contain the parameter value. In this paper, we provide a con dence set analysis for an observed sample based on fuzzy set theory by using the concept of membership functions. We show that the traditional ad hoc thresholds (the con dence and signi cance levels) can be attained from a general membership function. The applicability of the newly proposed theory is demonstrated by using well-known examples from the statistical literature and an application in the context of contingency tables.

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This preprint gave rise to the following definitive publication(s):

Luis M. CASTRO, José GONZáLEZ, Víctor H. LACHOS, Alexandre PATRIOTA: A confidence set analysis for observed samples: A fuzzy set approach. Entropy, vol. 18, 211, pp. 1-22, (2016).

 

 

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