Hello,
Despite my search, I didn't find a post-hoc test for an ANCOVA.
I used the functions aov() and lm() to run the ANCOVA then I tried
TukeyHSD() but it didn't work (because of the covariable is a continuous
variable?).
Furthermore, I would like to plot the adjusted values (i.e. the values of
the tested variable taking into account the covariable).
Thanks for your help!
N. Poulet
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