SCmapping               Construction of the superclusters and the
                        one-to-one mapping between them
barycentre              Computation of the barycentre-coordinate of a
                        node connected to others in a bigraph
drawTreeGraph           Plot the bi-graph determined by the branches in
                        the tree and the flat clusters
dyn.cross               Computation of the number of crossings in the
                        bi-graph in a particular layout
flatVSflat              Comparison of two flat clusterings
flatVShier              Comparison of a hierarchical and a flat
                        clusterings
insert                  Insert a set of values at a given position of a
                        vector
score.crossing          Computation of the aesthetics-based score of
                        the parent and the children trees
score.it                Computation of the information theoretic-based
                        score of the parent and the children trees
