João Fadista wrote: > Dear all, > > When we perform a Wilcoxon rank sum test (on two samples with different > sizes) we get a test statistic. My question is, as the value of test > statistic increases the difference between the distributions of the two > samples also increase, right? > Wrong. It has a minimum value of zero and some maximum which increases with the sample size. Both extremes occur for nonoverlapping distributions, whereas the "middle" values correspond to similar distributions.
-- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
