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.