[R] Two factor (or more) non-parametric comparison of means

From: John Sorkin <jsorkin_at_grecc.umaryland.edu>
Date: Wed 12 Oct 2005 - 02:11:57 EST


Can anyone suggest a good non-parametric test, and an R implementation of the test, that allows for two or more factors? Wilcoxon signed rank allows for only one. Thanks,
John  

John Sorkin M.D., Ph.D.
Chief, Biostatistics and Informatics
Baltimore VA Medical Center GRECC and
University of Maryland School of Medicine Claude Pepper OAIC  

University of Maryland School of Medicine Division of Gerontology
Baltimore VA Medical Center
10 North Greene Street
GRECC (BT/18/GR)
Baltimore, MD 21201-1524  

410-605-7119
- NOTE NEW EMAIL ADDRESS:

jsorkin@grecc.umaryland.edu

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