Displaying 1 result from an estimated 1 matches for "xzsa9nlhqsnbzq55mxo".
2009 Mar 18
1
error with effects package.
..."contr.poly"))
A,B and E are 2-levels factor,
C is covariate,
D is 20 levels factor with 10 in relation with the first levels of
factor A, the other in relation with the second levels of factor A
Here is my data, and the contrast I use for factor D.
https://depot.jouy.inra.fr/get?k=xzsA9nLhQSNbzq55MXo
I'm trying to use the effects package of Prof. J. Fox ,
(eff_model_1<-effect("A",model1))
but I get this error message:
" Error in apply(mod.matrix[, components], 1, prod) : subscript out
of bounds"
I suppose that the problem comes from the interaction A:D, but I...