Erich Studerus <erich.studerus <at> bli.uzh.ch> writes: > > > Dear R-users, > > In a randomized placebo-controlled within-subject design, subjects recieved > a psycho-active drug and placebo. Subjects filled out a questionnaire > containing 15 scales on four different time points after drug > administration. In order to detect drug effects on each time point, I > compared scale values between placebo and drug for all time conditions and > scales, which sums up to 4*15=60 comparisons. > .... > Now, I want to adjust the confidence intervals for multiple comparisons.
For simple cases, see p.adjust or TukeyHSD (more limited). For complex cases, see simint and friends in package multcomp. Dieter ______________________________________________ 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.
