CRcompare               Computes bootstrapped confidence intervals for
                        the distance between two response surface
                        optima
Drug                    Mixture-amount experiment
OptRegionQuad           Computes Confidence Regions of Optima of
                        Quadratic Polynomial Models
OptRegionTps            Computes Confidence Regions of Optima of Thin
                        Plate Spline Models
OptimaRegion-package    OptimaRegion
plotConvexHull          Computes and displays the convex hull of a set
                        of 2-dimensional points
