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cond1_minus_cond2
2012 Dec 05
1
Using multcomp::glht() with Anova object
...he multcomp package. I do this using the way that has
worked for me with lmer() objects in the past: set up a contrast matrix and
then feed it to glht():
designmatrix <- matrix(0, nrow=3, ncol=18)
rownames(designmatrix) <- c("Cond1_minus_Cond2", "Cond3_minus_Cond1",
"Cond3_minus_Cond2")
designmatrix[1, 1:6] <- 1
designmatrix[1, 7:12] <- -1
designmatrix[2, 1:6] <- -1
designmatrix[2, 13:18] <- 1
designmatrix[3, 13:18] <- 1
designmatrix[3, 7:12] <- -1
library(multcomp)
glht( model.Anova, linfct=designmatrix )
However, when I give glht() an Anova object, I...