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Abstract 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.
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Jack Cuzick (Tue,) studied this question.
www.synapsesocial.com/papers/6a04007a5ea3557592894163 — DOI: https://doi.org/10.1002/sim.4780040112
Jack Cuzick
Statistics in Medicine
The Honourable Society of Lincoln's Inn
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