Hi: Perhaps the cld() function in the multcomp package is what you're looking for.
Dennis On Mon, May 23, 2011 at 9:40 AM, Adrienne Keller <adrienne.kel...@umontana.edu> wrote: > Is there code in R to automatically assign letters to different groups that > are found to be statistically significant using a post-hoc test following an > ANOVA? For example, let's say I found that relative rates of tree growth > were statistically significant between tree species using an ANOVA and then > I ran a TukeyHSD post-hoc test to determine which species were statistically > different from one another. I can manually assign different letters for each > species that is different from another, but is there code to do this > automatically in R. I would like to add these letters to a table, but have > many different ANOVAs and doing this manually will be quite time consuming. > > Thanks, > > Adrienne > > ______________________________________________ > 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. > ______________________________________________ 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.
