Re: [R] denoting post-hoc test differences using letters

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 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 follo

[R] denoting post-hoc test differences using letters

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 ANOV