Re: [R] Is there a simple way to use one-way ANOVA comparing the means of groups?

From: Peter Dalgaard <P.Dalgaard_at_biostat.ku.dk>
Date: Wed, 13 Feb 2008 16:49:32 +0100

Ben Bolker wrote:
>> On 13/02/2008, Kes Knave <kestrel78 <at> gmail.com> wrote:
>>
>>> I have finally managed to get a "Analysis of Variance Table":
>>> [snip]
>>>
>
>
>>> I want to compare the means of the four different groups, and see if
>>> there is a difference. I searched for help, and think that maybe
>>> Tukey(stats) would be proper..?
>>> Is there anyone that could give advice for to this?
>>>
>
> I would strongly recommend getting a copy of Peter Dalgaard's
> book on "Introductory Statistics with R" ...
>
Thanks, Ben...

The book is a bit simplistic on this particular issue, though, so I'd also recommend looking into the multcomp package.

    -p
> Ben Bolker
>
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-- 
   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard_at_biostat.ku.dk)                  FAX: (+45) 35327907

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Received on Wed 13 Feb 2008 - 16:11:55 GMT

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