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Fuzzy tests – defuzzification and randomization

✍ Scribed by Przemysław Grzegorzewski

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
107 KB
Volume
118
Category
Article
ISSN
0165-0114

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✦ Synopsis

A problem of defuzziÿcation of a fuzzy test for testing statistical hypotheses with vague data is considered. Two defuzziÿcation operators are discussed. It is shown that the superposition of a fuzzy test and these operators leads to decision strategies equivalent to the classical crisp tests. Moreover, another source of randomization in hypothesis testing is indicated, and a new ground for the randomized tests application is given. Advice to practitioners -how to defuzzifyis also given.

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