lllcrc or
vgam.crc, produce confidence intervals corresponding to a selection
of covariate vectors.
extract.CI(mod, probs = c(0.025, 0.975), cont.var = "x.con.1", selection = NULL)lllcrc or vgam.crc.selection.cont.var, the corresponding point
estimate of the rate of missingness pi0, and the lower and upper
bounds of the associated confidence intervals.