bratley1988_Fun         Bratley and Fox (1988) function
bratley1992_Fun         Bratley, Fox and Niederreiter (1992) function
ishigami_Mapply         Ishigami function
oakley_Fun              Oakley & O'Hagan (2004) function
plot_scatter            Scatterplots of the model output against the
                        model inputs
plot_sobol              Plot Sobol' first and total-order indices
plot_uncertainty        Plot model output uncertainty
sobol_Fun               Sobol' G function
sobol_ci                Bootstrap confidence intervals for Sobol'
                        indices.
sobol_ci_dummy          Bootstrap confidence intervals for the dummy
                        parameter
sobol_dummy             Computation of Sobol' indices for a dummy
                        parameter
sobol_indices           Computation of first, second, third and
                        total-order Sobol' indices
sobol_matrices          Creation of the sample matrices
sobol_replicas          Extract bootstrap replicas
