New look at rank tests in ordered 2xk contingency tables

被引:10
|
作者
Permutt, T [1 ]
Berger, VW [1 ]
机构
[1] US FDA, Rockville, MD 20857 USA
关键词
van der Waerden test; maximum chi-square; operating characteristic; P-P plot; stochastic order;
D O I
10.1080/03610920008832528
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
We consider testing for association in contingency tables with 2 rows and k columns, where the columns represent ordered categories. If the rows are treatments and the columns are outcomes, this may be treated as a two-sample problem with all, the outcomes tied at one of only k values. Then rank tests may be applied even without knowing the values. Some special considerations apply, however, and the most usual rank tests may not be the best ones. We use a graphical technique to compare the properties of various rank tests.
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页码:989 / 1003
页数:15
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