[R] TukeyHSD for multiple response

Sergio Ferreira Cardoso @ergio@ferreir@-c@rdo@o @ending from umontpellier@fr
Fri May 25 15:11:39 CEST 2018

Dear all, 

I'm testing the effect of species and sex in my sample by using the principal component scores of a PCA analysis. 
I have 30 PCs and I tried to see if there is any significant difference from males to females, given that there is a significant effect of phylogeny (factor with several species). 
I didi it like this: 

fit <- manova(Y ~ sp*sex) 
summary(fit, test="Wilks") 

I get a barely significant p-value for the effect of sex and I'd like to know for which of the species there is a difference between males and females. 
I tried TukeyHSD(fit) but I get the following error: 

Error in model.tables.aov(x, "means") : 
'model.tables' is not implemented for multiple responses 

So this has to do with the fact that I have a multivariate independent variable. Is there an alternative function to this? 

Thanks in advance, 

Institut des Sciences de l'Evolution 
Université de Montpellier 
Place Eugène Bataillon 
34095 Montpellier Cedex 05 
Email: sergio.ferreira-cardoso using umontpellier.fr 
Tel: +33 (4 ) 67 14 46 52 

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