This is the function which has to be supplied to extend_family()'s argument
augdat_link in case of the augmented-data projection for the binomial()
family.
augdat_link_binom(prb_arr, link = "logit")An array as described in section "Augmented-data projection" of
extend_family()'s documentation.
An array as described in section "Augmented-data projection"
of extend_family()'s documentation.
The same as argument link of binomial().