[R] Which function to use for multiple comparison?
amaitour at pasteur.fr
Tue Jul 9 09:58:43 CEST 2002
> Thomas Lumley wrote:
> > On Mon, 8 Jul 2002, Julie Cong wrote:
> > > [Moderator: This was erronously sent to R-announce,
> > > and filtered fortunately ]
> > >
> > > Hi,
> > >
> > > This is my first time to use R. I'm wondering which function I can use to do
> > > multiple comparison. I have an lm object and want to do multiple comparison
> > > based on this object. Splus has a function multicomp() but I could not find
> > > a similar one in R. Thanks in advance. Really appreciate it.
> > >
> > At the moment the multiple comparisons features in R are a bit limited.
> > p.adjust does a number of corrections of p-values that are very general
> > pairwise.t.test is another interface to these same methods
> > TukeyHSD provides Tukey's Honestly Significant Difference
> > help.search("comparison") suggests that the npmc package might also be
> > helpful.
> > -thomas
> > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
> > r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
> > Send "info", "help", or "[un]subscribe"
> > (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch
> > _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
> I think that the package multtest which must go with version R-1.5.0 is relatively
> in term of multiple comparisons based on t-test(paired or not), Wilcoxon
> test(paired or not)
> F test with the the adjustment of p_values.
> Best regards.
> Aboubakar Maitournam.
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch
More information about the R-help