der.link                A subfunction used in estimation
fit.simml               Workhorse function for Single-index models with
                        multiple-links (SIMML)
generate.data           generate.data generates an example dataset from
                        a mean model that has a "main" effect component
                        and a treatment-by-covariates interaction
                        effect component (and a random component for
                        noise).
ordinal.data            A function for ordinal categorical response
                        data generation.
pred.simml              SIMML prediction function
simml                   Single-index models with multiple-links (main
                        function)
