Distribution-free confidence intervals for difference and ratio of medians

被引：22

作者：

Price, RM

Bonett, DG

机构：

[1] E Tennessee State Univ, Dept Math, Johnson City, TN 37614 USA

[2] Iowa State Univ, Dept Stat, Ames, IA 50011 USA

来源：

JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION | 2002年 / 72卷 / 02期

关键词：

Mann-Whitney-Wilcoxon; mood; robust; skewed distribution;

D O I：

10.1080/00949650212140

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The classic nonparametric confidence intervals for a difference or ratio of medians assume that the distributions of the response variable or the log-transformed response variable have identical shapes in each population. Asymptotic distribution-free confidence intervals for a difference and ratio of medians are proposed which do not require identically shaped distributions. The new asymptotic methods are easy to compute and simulation results show that they perform well in small samples.

引用

页码：119 / 124

页数：6

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