EXACT TESTS FOR VARIANCE-COMPONENTS IN UNBALANCED MIXED LINEAR-MODELS

被引：22
|
作者：
OFVERSTEN, J
机构：
[1] Agricultural Research Centre
来源：
BIOMETRICS | 1993年 / 49卷 / 01期
关键词：
EXACT TESTS; HYPOTHESIS TESTING; POWER OF EXACT TESTS; UNBALANCED MIXED MODELS; UNIQUENESS OF EXACT TESTS; VARIANCE COMPONENTS;
D O I：
10.2307/2532601
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A method for deriving exact tests for variance components in some unbalanced mixed linear models is presented. The derivation is based on a new kind of preliminary orthogonal transformation and a subsequent resampling procedure. The resulting tests are based on mutually independent sums of squares which, under the null hypothesis, are distributed as scalar multiples of chi-square variates. For balanced data, the tests are identical to the traditional F tests.
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页码：45 / 57
页数：13
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