Thanks, but as far as I know the multcomp package and the tukeyHSD function can only handle one dependent variable, whereas I have 60 dependent variables.

Regards,

Erich


On Sat, 28 Feb 2009 17:41:11 +0000 (UTC)
 Dieter Menne <dieter.me...@menne-biomed.de> wrote:
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

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