Fuzzy tests - defuzzification and randomization

被引：19
|
作者：
Grzegorzewski, P
机构：
[1] Polish Acad Sci, Syst Res Inst, PL-01447 Warsaw, Poland
[2] Warsaw Univ Technol, PL-00661 Warsaw, Poland
来源：
FUZZY SETS AND SYSTEMS | 2001年 / 118卷 / 03期
关键词：
hypothesis testing; fuzzy data; fuzzy test; defuzzification; randomized test; randomization;
D O I：
10.1016/S0165-0114(98)00462-X
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
A problem of defuzzification of a fuzzy test for testing statistical hypotheses with vague data is considered. Two defuzzification 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 defuzzify is also given. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：437 / 446
页数：10
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