[R] TukeyHSD not working

arun smartpink111 at yahoo.com
Fri Jul 20 14:46:47 CEST 2012


I don't have much experience with laercio package.  If it works for you, it is good.


----- Original Message -----
From: Michael Eisenring <eimichae at ethz.ch>
To: arun <smartpink111 at yahoo.com>
Sent: Friday, July 20, 2012 8:38 AM
Subject: Re: [R] TukeyHSD not working

Thanks for the quick response. I installed the laercio package. Now I have a slightly different output of the Tukey Test but better than nothing.
Thank  you!
Am 20.07.2012 um 13:58 schrieb arun:

> Hi,
> Check this link.
> http://stackoverflow.com/questions/5904513/tukeyhsd-after-within-factors-anova
> A.K.
> ----- Original Message -----
> From: Michael Eisenring <eimichae at ethz.ch>
> To: r-help at r-project.org
> Cc: 
> Sent: Friday, July 20, 2012 6:15 AM
> Subject: [R] TukeyHSD not working
> Dear r-help members.
> I would like to compare species numbers of moths between eight different forests (each sampled for six nights). I would like to do a nested anova to compare species numbers between forests and nights.
> For more site specific details I wanted to do a Tukey test (TukeyHSD). Unfortunately this test is not working (message:  "nicht anwendbare Methode für 'TukeyHSD' auf Objekt der Klasse "c('anova', 'data.frame" ) /(message: "method not appropriate for TukeyHSD for objects of the class "anova", "data.frame").
> I tried it also with the "aov" instead of the "anova" function but neither the "aov" nor the "anova" approach is working.
> Could anyone help me with this  problem?
> Attached you can find the txt.file and the r-script.
> I'm working with a MAC OSX snow leopard, with R-Studio 0.96 316.
> Thank you very much.
> Michael 
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