rbase.curvedist         Distance between Two Curves with Finite
                        Difference Approximation
rbase.mean              Fréchet Mean of Manifold-valued Data
rbase.median            Geometric Median of Manifold-valued Data
rbase.pdist             Pairwise Geodesic Distances of a Data Set
rbase.pdist2            Pairwise Geodesic Distances Between Two Sets of
                        Data
rbase.robust            Robust Fréchet Mean of Manifold-valued Data
riemfactory             Prepare a S3 Class Object 'riemdata'
