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acacia
2008 Oct 31
0
help with contrasts for a binomial 3-way GLM
...417
C - A == 0 4.0860 1.0227 3.995 <0.01 **
D - A == 0 4.8458 1.0207 4.748 <0.01 ***
E - A == 0 3.0445 1.0362 2.938 0.1727
F - A == 0 3.3399 1.0306 3.241 0.0744 .........etc.
If the GLM is with interactions don't work
Ø acacia3<-glm(acacia~T*t*c,binomial)
Ø > glht(acacia3, linfct = mcp(T = "Tukey"))
Ø Error in modelparm.default(model, ...) :
Ø dimensions of coefficients and covariance matrix don't match
Ø Warning message:
Ø In mcp2matrix(model, linfct = linfct) :...