[R] means comparison in R (post-hoc test)

Dieter Menne dieter.menne at menne-biomed.de
Thu Sep 15 14:48:09 CEST 2005

Felipe <felipe <at> unileon.es> writes:

> With the SAS/STAT, I generally used the MEANS (for comparison of
> arithmetic means) and the LSMEANS (for adjusted means) statements of the
> GLM procedure (I think it is equivalent to lm in R). They provided a lot
> of tests: LSD, Duncan, Tukey-Kramer, Bonferroni, ScheffÃ©, SNK, etc.
> However, in R I have only discovered Tukey-HSD.

Package multcomp with the workhorse-function simint comes close to what you 


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