Thank you, Chuck and Tom. I'd gladly improve the help page,
particularly if you can provide a patch against https://svn.R-project.org/R/trunk/src/library/datasets/man/sleep.Rd where I've already added the Cushny and Peebles reference, thanks to Chuck. Regards, Martin Maechler, ETH Zurich >>>>> "ChuckB" == Charles C Berry <[EMAIL PROTECTED]> >>>>> on Wed, 17 Jan 2007 10:48:13 -0800 writes: ChuckB> Yes, you refer to ChuckB> Cushny, A. R. and Peebles, A. R. The action of ChuckB> optical isomers: II hyoscines. The Journal of ChuckB> Physiology, 1905, 32: 501.510. ChuckB> which was used by 'Student' to illustrate the paired ChuckB> t-test. ChuckB> This is indeed a crossover design. ChuckB> On Wed, 17 Jan 2007, Tom Backer Johnsen wrote: >> When reading the documentation for the "sleep" data set >> in R, the impression is clear, this is an "independent >> groups" kind of design (two groups of 10 subjects each). >> However, when browsing the original article (referred to >> in the help file), my impression is quite clear, this is >> really a "repeated measures" kind of data (one group of >> 10 subjects, two observations). What is correct? >> >> Tom >> >> ______________________________________________ >> R-help@stat.math.ethz.ch 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. >> ChuckB> Charles C. Berry (858) 534-2098 Dept of ChuckB> Family/Preventive Medicine E ChuckB> mailto:[EMAIL PROTECTED] UC San Diego ChuckB> http://biostat.ucsd.edu/~cberry/ La Jolla, San Diego ChuckB> 92093-0901 ChuckB> ______________________________________________ ChuckB> R-help@stat.math.ethz.ch mailing list ChuckB> https://stat.ethz.ch/mailman/listinfo/r-help PLEASE ChuckB> do read the posting guide ChuckB> http://www.R-project.org/posting-guide.html and ChuckB> provide commented, minimal, self-contained, ChuckB> reproducible code. ______________________________________________ R-help@stat.math.ethz.ch 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.
