gammgamm and gamm4
from packages gamm(formula, random = NULL, ..., lme4 = inherits(random, "formula"))gamm or
gamm4 fitted model object. The only difference from the original
object is an addition of the call component.gamm and gamm4. The only
purpose of it is to add a call component, that is not provided by
gamm* as such. It allows update on the returned object, so also
makes possible using it in model selection with dredge.This is only a temporary workaround and it is likely be removed soon.
gamm and gamm4