get_vdelta: It computes the vector of covariate change
Description
Given the argument delta passed to field3logit either as
a numeric vector, a character or an expression (see
field3logit), get_vdelta returns the numeric vector of
covariate change \(\Delta\in\textbf{R}^k\).
Usage
get_vdelta(delta, model)
Value
numeric vector of covariate change \(\Delta\in\textbf{R}^k\).
Arguments
delta
see field3logit.
model
object of class model3logitreturned by extract3logit().