[R] Why did TukeyHSD not work when I used it for post-hoc for 2way within-subjects anova?

Dear R people, I have a couple of questions about post-doc analyses for 2 by 2 within subjects ANOVA. I conducted a psycholinguistic study that combined a 2 by 2 design and a latin square design. Specifically, I had 32 items each of which generated 4 conditions. Participants saw each of the 32

Re: [R] Why did TukeyHSD not work when I used it for post-hoc for 2way within-subjects anova?

Sorry, that in the last message the tables were messed up. Here is a link to the tables http://www-scf.usc.edu/~hex/data.txt http://www-scf.usc.edu/~hex/data.txtThanks! On Sun, Jun 6, 2010 at 10:18 AM, Xiao He praguewaterme...@gmail.com wrote: Dear R people, I have a couple of questions