Please provide a reproducible example. I've had problems with multcompLetters in the past, because I was giving it slightly incorrect input.
Hadley On Tue, Oct 6, 2009 at 7:41 AM, goz <garbage.collec...@hotmail.fr> wrote: > > hello, > > i try to use the multcomp letters, but i have problems with my results : > > here is my pvalue matrix (from a pairwise.t.test) : > > pair=pairwise.t.test(...) > pair$p.value > > 0 B BxS > B 0.01727 - - > BxS 0.00013 0.00226 - > S 0.87555 0.02610 0.00027 > > > i was thiking to have something like that : > 0 B S BxS > a b a c > > but function return : > >> multcompLetters(pair$p.value) > B BxS S > "a" "b" "a" > > > first question : why the 0 traitement doesn't appears in result ? > second : why the results differs than what i expected ? > > many thanks. > > -- > View this message in context: > http://www.nabble.com/Letter-based-representation-of-pairwise-comparisons-tp21350364p25767357.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. > -- http://had.co.nz/ ______________________________________________ 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.