Hello I have performed the following ANOVA test (age = young and old,
tret = non treated and treated):
 
> ANOVA_EPC<-aov(Dibi ~ age*tret, data = EPC)
> summary(ANOVA_EPC)
            Df  Sum Sq Mean Sq F value  Pr(>F)  
age          1  25.346  25.346  2.4510 0.13587  
tret         1   5.962   5.962  0.5766 0.45806  
age:tret     1  53.280  53.280  5.1522 0.03652 *
Residuals   17 175.800  10.341                  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
 
And I can see a significative effect of interaction…
 
What is the Tukey code to see where the interaction is significant?
 
EPC.TUKEY<-TukeyHSD(ANOVA_EPC)
EPC.TUKEY$   ????
 
Thank you for your time
 
Hirondelle Varady-Szabo, MSc.
Professionnel de recherche
 
Consortium en foresterie Gaspésie-Les-Îles
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Gaspé, Québec
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courriel: hirondelle.varady@foretgaspesie-les-iles.ca
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