MuseumsDk               Data on Museums in Denmark
distRayCalc             Calculate the Dependent Variable of a Ray-Based
                        Input Distance Function
distRayEla              Elasticities and Derivatives of Ray-Based Input
                        Distance Functions
distRayEst              Estimate a Ray-Based Input Distance Function
distRayMonoRestr        Imposing Monotonicity on a Ray-Based Input
                        Distance Function
