[R] interaction plots and confidence levels

[Max Manfrin]

Dear list,
	for an ANOVA analysis I would like to obtain the interaction plots  
that contains also the confidence intervals (95% Tukey HSD).

My anova model is built in a way similar to this:

myObj.aov <- aov(response~(factor1+factor2+factor2+factor4+factor5) 
^2,data=myDataFrame)

To obtain the interaction plots I use the code below for each factor  
of my model:

library(alr3)
interaction.plot(myDataFrame$factor1,myDataFrame$factor2,myDataFrame 
$response,fixed=TRUE,xpd=TRUE,main="Interaction Factor1 & Factor  
2",xlab="Factor 1",ylab="response")

How could I plot also the confidence intervals?

Thanks for any help you might provide.

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Max MANFRIN                                 Tel.: +32 (0)2 650 3168
IRIDIA - CoDE, CP 194/6                     Fax.: +32 (0)2 650 2715
Université Libre de Bruxelles
Av. F. D. Roosevelt, 50
1050 Brussels                             Email: mmanfrin at ulb.ac.be
BELGIUM                      WWW: http://iridia.ulb.ac.be/~mmanfrin

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