[R] multicomp functions that in S but not in R

Uwe Ligges ligges at statistik.uni-dortmund.de
Sun Dec 3 12:31:17 CET 2000

Michael Wang wrote:
> I am using R for a class which uses S.
> Often I can not find functions that in S but
> not in R, example, multicomp().

Have a look in the mailing list archives. A similar questions was
already answered a few days ago.


DR>> Date: Tue, 28 Nov 2000 08:11:10 -0500 (EST) 
DR>> From: Doc Robinson <vbr at geomant.erin.utoronto.ca> 
DR>> I have used multicomp in S-Plus 2000 to do multiple comparisons 
DR>> and have had difficult time locating whether or not this is 
DR>> availabe in R or one of the add-ons to R.......is it something 
DR>> that is goin to be added in the near future ? 
DR>> or have i missed something in my search ? 

Answer from Brian D Ripley:

BDR>> The answer depends if you are proposing to contribute a version! 
BDR>> There is nothing anything like as comprehensive, as far as I know. 
BDR>> multicomp is not part of S, and for fairly obvious reasons the R 
BDR>> project is not attempting to clone the work of a commercial
BDR>> If you have S-PLUS 2000, why not use it for this? 
BDR>> There are some simple multiple comparison things in R: look at the 
BDR>> *pairwise* functions in ctest, for example. 

Uwe Ligges
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