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

Spencer Graves spencer.graves at pdf.com
Wed Feb 13 16:46:30 CET 2008


see also the 'multcomp' and 'multcompView' packages. 

Henrique Dallazuanna wrote:
> See ?TukeyHSD
>
> On 13/02/2008, Kes Knave <kestrel78 at gmail.com> wrote:
>   
>> Dear all,
>>
>> I have finally managed to get a "Analysis of Variance Table":
>>
>>
>> Response: LogHand
>>                   Df     Sum     Sq Mean    Sq F value        Pr(>F)
>> Prey            3    5.3125     1.7708       20.672            2.066e-11 ***
>> Residuals  164    14.0488   0.0857
>>
>> 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?
>>
>>
>>
>> Regards Kes
>>
>> ______________________________________________
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>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>     
>
>
>



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