add.blocks              Adds a block structure to an incidence matrix
curveball               Randomize an incidence matrix or bipartite
                        graph using the curveball algorithm
incidence.from.adjacency
                        Generates an incidence matrix from an adjacency
                        matrix
incidence.from.congress
                        Generate bill sponsorship incidence matrices
                        and bipartite graphs
incidence.from.distribution
                        Generates an incidence matrix with row and
                        column sums that follow given distributions
incidence.from.probability
                        Generates an incidence matrix with a given
                        cell-filling probability
incidence.from.vector   Generates an incidence matrix with given row
                        and column marginal sums
incidentally            incidentally: Generates incidence matrices and
                        bipartite graphs
space                   Examine the space of incidence matrices with
                        fixed marginals
