L2Distance              Euclidean distances between vector in A and B
binaryalphadigits       Binary Alphadigits
digits                  USPS Handwritten Digits
faces                   Olivetti Faces
frey                    Frey Face
ordalphadigits          Dissimilarity object of class 'isomap' for
                        Binary Alphadigits data
ordfrey                 Dissimilarity object of class 'isomap' for Frey
                        Faces data
