Rao's score tests in survival analysis: Examples and Bartlett type adjustments

被引：1
|
作者：
Tu, DS [1 ]
机构：
[1] Queens Univ, Natl Canc Inst Canada, Clin Trials Grp, Kingston, ON K7L 3N6, Canada
来源：
COMMUNICATIONS IN STATISTICS-THEORY AND METHODS | 2001年 / 30卷 / 8-9期
关键词：
asymptotic expansion; Bartlett adjustment log-rank test; proportional hazard model; score test; subject-years test;
D O I：
10.1081/STA-100105682
中图分类号：
O21 [概率论与数理统计]; C8 [统计学];
学科分类号：
020208 ; 070103 ; 0714 ;
摘要：
Score method in hypothesis testing is one of Professor C. R. Rao's great contributions to statistics. It provides a simple and unified way to test some simple and composite hypotheses in many statistical problems. Some popular tests in statistical practice derived with the help of intuitions can be shown as score tests under some statistical models. The subject-years test and log-rank test in survival analysis are two of the examples. In this paper, we first introduce these two examples. After formulating these two tests as score tests, we then review some recent results on the Bartlett type adjustments for these tests.
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页码：1521 / 1532
页数：12
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