mb2 wrote: > Hi, > > I have some problems with my repeated measures analysis. When I compute it > with SPSS I get different results than with R. Probably I am doing something > wrong in R. > I have two groups (1,2) both having to solve a task under two conditions > (1,2). That is one between subject factor (group) and one within subject > factor (task). I tried the following: > > aov(Score ~factor(Group)*factor(Task)+Error(Id))) > aov(Score ~factor(Group)*factor(Task)) > but it leads to different results than my spss. I definitely miss some point > here . > > Did you mean Error(factor(Id)) ?
With that modification, things look sane. Can't vouch for SPSS... (As a general matter, I prefer to do the factor conversions up front, rather than inside model formulas.) -- O__ ---- Peter Dalgaard Ă˜ster 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@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.