Inferences on the mean of zero-inflated lognormal data: the generalized variable approach

被引：45
|
作者：
Tian, LL [1 ]
机构：
[1] Univ Florida, Dept Stat, Div Biostat, Gainesville, FL 32610 USA
来源：
STATISTICS IN MEDICINE | 2005年 / 24卷 / 20期
关键词：
generalized P-values; generalized confidence intervals; power; skewed distribution-; type I error control;
D O I：
10.1002/sim.2169
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
This paper considers the problems of confidence interval estimation and hypothesis testing for the mean of zero-inflated lognormal data. We present an unified novel approach based on the concepts of generalized test variables and generalized pivotal quantities. Simulation results demonstrate that the coverage accuracy of proposed confidence intervals and the type I error control of the proposed exact tests are satisfactory. Copyright (C) 2005 John Wiley & Sons, Ltd.
引用
收藏
页码：3223 / 3232
页数：10
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