On Tue, 9 Jan 2007, Walter Durka wrote:
dear all,
Walter,
_please_ cc questions on contributed packages to the maintainer, since not
everybody follows r-help closely...
I want to perform a posthoc test for my ANCOVA:
a1-aov(seeds~treatment*length)
With
summary(glht(a1, linfct =
## The WoodEnergy example in package HH (available on CRAN) is similar
## to the example you asked about. I have two factors and a
## covariate, and the interaction between the factors and covariate is
## significant. I construct the multiple comparisons of factor Stove
## at each level of
dear all,
I want to perform a posthoc test for my ANCOVA:
a1-aov(seeds~treatment*length)
With
summary(glht(a1, linfct = mcp(treatment = Tukey)))
R tells me: covariate interactions found -- please choose appropriate
contrast
How do I build these contrasts?
Ideally, I would like to have the
