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A wilcoxon‐type test for trend
Author(s) -
Cuzick Jack
Publication year - 1985
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.4780040112
Subject(s) - wilcoxon signed rank test , statistics , test (biology) , rank (graph theory) , parametric statistics , nonparametric statistics , computer science , extension (predicate logic) , variable (mathematics) , mathematics , econometrics , mann–whitney u test , combinatorics , paleontology , mathematical analysis , biology , programming language
An extension of the Wilcoxon rank‐sum test is developed to handle the situation in which a variable is measured for individuals in three or more (ordered) groups and a non‐parametric test for trend across these groups is desired. The uses of the test are illustrated by two examples from cancer research.