[R] Problems when using estimable() (gmodels) on lme()-objects

[CG Pettersson]

R version 3.2.3 (2015-12-10) -- "Wooden Christmas-Tree", W7-32

Dear all,
I just upgraded R and downloaded a new version of "gmodels", to use estimable() for extracting fixed effects from lme()-objects.
Now it seems like estimable() have changed its view of dimensions of my lme-objects and contrast matrix dimensions, as I get this error message:

> estimable(y_15,Mat15)
Error in estimable.default(y_15, Mat15) :
 Dimension of structure(c(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, : 25x26, not compatible with no of parameters in y_15: 25
Dimension of 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, : 25x26, not compatible with no of parameters in y_15: 25
Dimension of 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, : 25x26, not compatible with no of parameters in y_15: 25
Dimension of 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, : 25x26, not compatible with no of parameters in y_15: 25
Dimension of 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, : 25x26, not compatible with no of parameters in y_15: 25
Dimension of 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, : 25x26, not compatible with no of parameters in y_15: 25
Dimension of 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, : 25x26, not compatible with no of parameters in y_15: 25
Dimension of 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
>

Mat15 is made as a 25x25 contrast matrix, but the updated estimable() sees it as a 25x26.
Why, and what should I do about it?

I do think the change has occurred in estimable() as I tested one year old lme() objects and contrast matrix who worked perfectly then, giving the same error message when run with updated R.
Does estimable() see the row-names as the first column nowdays if I don´t specify anything else?

Best regards
CG Pettersson
Scientific Project Manager, PhD
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