bipartite_graph_from_data_frame
                        Create a bipartite graph from data frame
exportGML               Export igraph object to GML, friendly to
                        Cytoscape and yEd
incidence2bipartite     Build a bipartite graph with an incidence
                        matrix
layout_as_bipartiteLR   Layout a bipartite graph from left to right
list2incidenceMatrix    Convert a list of character strings into an
                        incidence matrix
plotlyBipartiteGraph    Plot a bipartite graph using plot_ly
