Rodrigo, Wilcoxon?Mann?Whitney allows arbitrary sample sizes. It is an extension of the original Wilcoxon test which only handles equal sample sizes.
________________________________________ Daniel Moreira, MD Research Associate Duke University Medical Center DUMC 2626, MSRB-I Room 455 571 Research Drive Durham, North Carolina 27710 Telephone: (919) 681-7132 Fax: (919) 668-7093 E-mail: [email protected] Rodrigo Fernandes Ramalho <[email protected]> Sent by: [email protected] 02/14/2009 08:52 AM To [email protected] cc Subject [R] Mann Whitney test Hi, I have a statistical question. To apply the Mann Whitney test to compare a pair of vectors, they must to have the same length ? Thanks, Rodrigo [[alternative HTML version deleted]] ______________________________________________ [email protected] 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. [[alternative HTML version deleted]] ______________________________________________ [email protected] 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.

