Others may know the answer to your question, but I don't. However, since I have not seen a reply, I will offer a few comments:
1. What version of R are you using? I just tried superficially similar things with the examples in ?aov in R 2.1.1 patched and consistently got F and p values. 2. My preference for this kind of thing is to use lme in library(nlme) or lmer in library(lme4). Also, I highly recommend Pinheiro and Bates (2000) Mixed-Effects Models in S and S-Plus (Springer). 3. If still want to use aov and are getting this problem in R 2.1.1, could you please provide this list with a small, self contained example that displays the symptoms that concern you? And PLEASE do read the posting guide! "http://www.R-project.org/posting-guide.html". It might increase the speed and utility of replies. spencer graves Ronaldo Reis-Jr. wrote: > Hi, > > I have two doubts about the nested aov output. > > 1) I have this: > >>anova.ratos <- aov(Glicogenio~Tratamento+Error(Tratamento/Rato/Figado)) >>summary(anova.ratos) > > > Error: Tratamento > Df Sum Sq Mean Sq > Tratamento 2 1557.56 778.78 > > Error: Tratamento:Rato > Df Sum Sq Mean Sq F value Pr(>F) > Residuals 3 797.67 265.89 > > Error: Tratamento:Rato:Figado > Df Sum Sq Mean Sq F value Pr(>F) > Residuals 12 594.0 49.5 > > Error: Within > Df Sum Sq Mean Sq F value Pr(>F) > Residuals 18 381.00 21.17 > > R dont make the F and P automatically, it is possible? > > I Like an output like this: > > Error: Tratamento > Df Sum Sq Mean Sq F value Pr(>F) > Tratamento 2 1557.56 778.78 2.929 0.197 > > Error: Tratamento:Rato > Df Sum Sq Mean Sq F value Pr(>F) > Residuals 3 797.67 265.89 5.372 0.0141 > > Error: Tratamento:Rato:Figado > Df Sum Sq Mean Sq F value Pr(>F) > Residuals 12 594.0 49.5 2.339 0.0503 > > Error: Within > Df Sum Sq Mean Sq F value Pr(>F) > Residuals 18 381.00 21.17 > > Why it not make automatic calculations? It is possible? > > > 2) I can say that Error: Tratamento:Rato means an interaction between > Tratamento and Rato? Normally the : represents an interaction, but in this > output I think that it dont mean the interaction. > > Any explanation are welcome. > > Thanks > Ronaldo -- Spencer Graves, PhD Senior Development Engineer PDF Solutions, Inc. 333 West San Carlos Street Suite 700 San Jose, CA 95110, USA [EMAIL PROTECTED] www.pdf.com <http://www.pdf.com> Tel: 408-938-4420 Fax: 408-280-7915 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html