cdfinv                  Computation of confidence intervals via CDF
                        inversion
cdfinv.sim              Computation of confidence intervals via
                        simulations and CDF inversion
ci_plot                 Plotting of confidence intervals derived via
                        CDF inversion
pnormvar                Cumulative distribution function for t
                        distribution
ptmean                  Cumulative distribution function for t
                        distribution
qnormvar                Inverse cumulative distribution function for
                        chi-square distribution
qtmean                  Inverse cumulative distribution function for t
                        distribution
