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A stratified Wilcoxon‐type test for trend
Author(s) -
Pee David YuWu,
Freedman Laurence S.
Publication year - 1990
Publication title -
statistics in medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.996
H-Index - 183
eISSN - 1097-0258
pISSN - 0277-6715
DOI - 10.1002/sim.4780090712
Subject(s) - wilcoxon signed rank test , statistics , test (biology) , computer science , econometrics , mathematics , mann–whitney u test , geology , paleontology
We propose an extension of Cuzick's non‐parametric Wilcoxon‐like trend test for situations when the observations can be grouped into strata which are thought to be related to the outcome. We illustrate its use in two examples from cancer epidemiology.