Refit a model with a new response.
refit_model(object, newresp, ...)A model with same class as object.
A model.
the new response, may be a vector or a matrix.
other arguments passed to refit or update.
This function uses newresp to refit object replacing its old response variable.
If the class is merMod it uses refit, otherwise uses stats::update().
The default method tries to update the model response using it's stats::model.frame(),
if it errors it tries to update the model by inserting the newresp
directly into the object formula.