Use this if you are using igraph from R
A B C D E F G H I K L M N O P Q R S T U V W misc
| igraph-package | The igraph package |
| add.edges | Add edges to a graph |
| add.vertex.shape | Various vertex shapes when plotting igraph graphs |
| add.vertices | Add vertices to a graph |
| add_edges | Add edges to a graph |
| add_layout_ | Add layout to graph |
| add_shape | Various vertex shapes when plotting igraph graphs |
| add_vertices | Add vertices to a graph |
| adhesion | Edge connectivity. |
| adjacent.triangles | Find triangles in graphs |
| adjacent_vertices | Adjacent vertices of multiple vertices in a graph |
| aging.ba.game | Generate an evolving random graph with preferential attachment and aging |
| aging.barabasi.game | Generate an evolving random graph with preferential attachment and aging |
| aging.prefatt.game | Generate an evolving random graph with preferential attachment and aging |
| algorithm | Functions to deal with the result of network community detection |
| all_shortest_paths | Shortest (directed or undirected) paths between vertices |
| all_simple_paths | List all simple paths from one source |
| alpha.centrality | Find Bonacich alpha centrality scores of network positions |
| alpha_centrality | Find Bonacich alpha centrality scores of network positions |
| any_loop | Find the multiple or loop edges in a graph |
| any_multiple | Find the multiple or loop edges in a graph |
| are.connected | Are two vertices adjacent? |
| are_adjacent | Are two vertices adjacent? |
| arpack | ARPACK eigenvector calculation |
| arpack-options | ARPACK eigenvector calculation |
| arpack.unpack.complex | ARPACK eigenvector calculation |
| arpack_defaults | ARPACK eigenvector calculation |
| articulation.points | Articulation points and bridges of a graph |
| articulation_points | Articulation points and bridges of a graph |
| as.dendrogram.communities | Functions to deal with the result of network community detection |
| as.directed | Convert between directed and undirected graphs |
| as.hclust.communities | Functions to deal with the result of network community detection |
| as.igraph | Conversion to igraph |
| as.igraph.igraphHRG | Conversion to igraph |
| as.matrix.igraph | Convert igraph objects to adjacency or edge list matrices |
| as.undirected | Convert between directed and undirected graphs |
| asPhylo | Functions to deal with the result of network community detection |
| asPhylo.communities | Functions to deal with the result of network community detection |
| assortativity | Assortativity coefficient |
| assortativity.degree | Assortativity coefficient |
| assortativity.nominal | Assortativity coefficient |
| assortativity_degree | Assortativity coefficient |
| assortativity_nominal | Assortativity coefficient |
| asymmetric.preference.game | Trait-based random generation |
| asym_pref | Trait-based random generation |
| as_adj | Convert a graph to an adjacency matrix |
| as_adjacency_matrix | Convert a graph to an adjacency matrix |
| as_adj_edge_list | Adjacency lists |
| as_adj_list | Adjacency lists |
| as_bipartite | Simple two-row layout for bipartite graphs |
| as_data_frame | Creating igraph graphs from data frames or vice-versa |
| as_edgelist | Convert a graph to an edge list |
| as_graphnel | Convert igraph graphs to graphNEL objects from the graph package |
| as_ids | Convert a vertex or edge sequence to an ordinary vector |
| as_ids.igraph.es | Convert a vertex or edge sequence to an ordinary vector |
| as_ids.igraph.vs | Convert a vertex or edge sequence to an ordinary vector |
| as_incidence_matrix | Incidence matrix of a bipartite graph |
| as_long_data_frame | Convert a graph to a long data frame |
| as_membership | Declare a numeric vector as a membership vector |
| as_phylo | Functions to deal with the result of network community detection |
| as_phylo.communities | Functions to deal with the result of network community detection |
| as_star | Generate coordinates to place the vertices of a graph in a star-shape |
| as_tree | The Reingold-Tilford graph layout algorithm |
| atlas | Create a graph from the Graph Atlas |
| attribute.combination | How igraph functions handle attributes when the graph changes |
| attributes | List names of graph attributes |
| authority.score | Kleinberg's authority centrality scores. |
| authority_score | Kleinberg's authority centrality scores. |
| autocurve.edges | Optimal edge curvature when plotting graphs |
| automorphisms | Number of automorphisms |
| automorphism_group | Generating set of the automorphism group of a graph |
| average.path.length | Shortest (directed or undirected) paths between vertices |
| average_local_efficiency | Efficiency of a graph |
| ba.game | Generate random graphs using preferential attachment |
| barabasi.game | Generate random graphs using preferential attachment |
| betweenness | Vertex and edge betweenness centrality |
| betweenness.estimate | Vertex and edge betweenness centrality |
| bfs | Breadth-first search |
| bibcoupling | Cocitation coupling |
| biconnected.components | Biconnected components |
| biconnected_components | Biconnected components |
| bipartite | Bipartite random graphs |
| bipartite.mapping | Decide whether a graph is bipartite |
| bipartite.projection | Project a bipartite graph |
| bipartite.projection.size | Project a bipartite graph |
| bipartite.random.game | Bipartite random graphs |
| bipartite_graph | Create a bipartite graph |
| bipartite_mapping | Decide whether a graph is bipartite |
| bipartite_projection | Project a bipartite graph |
| bipartite_projection_size | Project a bipartite graph |
| blockGraphs | Calculate Cohesive Blocks |
| blocks | Calculate Cohesive Blocks |
| bonpow | Find Bonacich Power Centrality Scores of Network Positions |
| bridges | Articulation points and bridges of a graph |
| c.igraph.es | Concatenate edge sequences |
| c.igraph.vs | Concatenate vertex sequences |
| callaway.traits.game | Graph generation based on different vertex types |
| canonical.permutation | Canonical permutation of a graph |
| canonical_permutation | Canonical permutation of a graph |
| categorical_pal | Palette for categories |
| centralization | Centralization of a graph |
| centralization.betweenness | Centralize a graph according to the betweenness of vertices |
| centralization.betweenness.tmax | Theoretical maximum for betweenness centralization |
| centralization.closeness | Centralize a graph according to the closeness of vertices |
| centralization.closeness.tmax | Theoretical maximum for closeness centralization |
| centralization.degree | Centralize a graph according to the degrees of vertices |
| centralization.degree.tmax | Theoretical maximum for degree centralization |
| centralization.evcent | Centralize a graph according to the eigenvector centrality of vertices |
| centralization.evcent.tmax | Theoretical maximum for betweenness centralization |
| centralize | Centralization of a graph |
| centralize.scores | Centralization of a graph |
| centr_betw | Centralize a graph according to the betweenness of vertices |
| centr_betw_tmax | Theoretical maximum for betweenness centralization |
| centr_clo | Centralize a graph according to the closeness of vertices |
| centr_clo_tmax | Theoretical maximum for closeness centralization |
| centr_degree | Centralize a graph according to the degrees of vertices |
| centr_degree_tmax | Theoretical maximum for degree centralization |
| centr_eigen | Centralize a graph according to the eigenvector centrality of vertices |
| centr_eigen_tmax | Theoretical maximum for betweenness centralization |
| chordal_ring | Create an extended chordal ring graph |
| cited.type.game | Random citation graphs |
| citing.cited.type.game | Random citation graphs |
| cit_cit_types | Random citation graphs |
| cit_types | Random citation graphs |
| clique.number | Functions to find cliques, ie. complete subgraphs in a graph |
| cliques | Functions to find cliques, ie. complete subgraphs in a graph |
| clique_num | Functions to find cliques, ie. complete subgraphs in a graph |
| clique_size_counts | Functions to find cliques, ie. complete subgraphs in a graph |
| closeness | Closeness centrality of vertices |
| closeness.estimate | Closeness centrality of vertices |
| cluster.distribution | Connected components of a graph |
| clusters | Connected components of a graph |
| cluster_edge_betweenness | Community structure detection based on edge betweenness |
| cluster_fast_greedy | Community structure via greedy optimization of modularity |
| cluster_fluid_communities | Community detection algorithm based on interacting fluids |
| cluster_infomap | Infomap community finding |
| cluster_label_prop | Finding communities based on propagating labels |
| cluster_leading_eigen | Community structure detecting based on the leading eigenvector of the community matrix |
| cluster_leiden | Finding community structure of a graph using the Leiden algorithm of Traag, van Eck & Waltman. |
| cluster_louvain | Finding community structure by multi-level optimization of modularity |
| cluster_optimal | Optimal community structure |
| cluster_spinglass | Finding communities in graphs based on statistical meachanics |
| cluster_walktrap | Community structure via short random walks |
| cocitation | Cocitation coupling |
| code.length | Functions to deal with the result of network community detection |
| code_len | Functions to deal with the result of network community detection |
| cohesion | Vertex connectivity. |
| cohesion.cohesiveBlocks | Calculate Cohesive Blocks |
| cohesion.igraph | Vertex connectivity. |
| cohesive.blocks | Calculate Cohesive Blocks |
| cohesiveBlocks | Calculate Cohesive Blocks |
| cohesive_blocks | Calculate Cohesive Blocks |
| communities | Functions to deal with the result of network community detection |
| compare | Compares community structures using various metrics |
| compare.communities | Compares community structures using various metrics |
| compare.membership | Compares community structures using various metrics |
| complementer | Complementer of a graph |
| components | Connected components of a graph |
| component_distribution | Connected components of a graph |
| component_wise | Component-wise layout |
| compose | Compose two graphs as binary relations |
| connect | Neighborhood of graph vertices |
| connect.neighborhood | Neighborhood of graph vertices |
| consensus_tree | Create a consensus tree from several hierarchical random graph models |
| console | The igraph console |
| constraint | Burt's constraint |
| contract | Contract several vertices into a single one |
| contract.vertices | Contract several vertices into a single one |
| convex.hull | Convex hull of a set of vertices |
| convex_hull | Convex hull of a set of vertices |
| coreness | K-core decomposition of graphs |
| count.multiple | Find the multiple or loop edges in a graph |
| count_components | Connected components of a graph |
| count_isomorphisms | Count the number of isomorphic mappings between two graphs |
| count_max_cliques | Functions to find cliques, ie. complete subgraphs in a graph |
| count_max_weighted_cliques | Functions to find weighted cliques, ie. weighted complete subgraphs in a graph |
| count_motifs | Graph motifs |
| count_multiple | Find the multiple or loop edges in a graph |
| count_subgraph_isomorphisms | Count the isomorphic mappings between a graph and the subgraphs of another graph |
| count_triangles | Find triangles in graphs |
| create.communities | Creates a communities object. |
| crossing | Functions to deal with the result of network community detection |
| curve_multiple | Optimal edge curvature when plotting graphs |
| cutat | Functions to deal with the result of network community detection |
| cut_at | Functions to deal with the result of network community detection |
| decompose | Decompose a graph into components |
| decompose.graph | Decompose a graph into components |
| degree | Degree and degree distribution of the vertices |
| degree.distribution | Degree and degree distribution of the vertices |
| degree.sequence.game | Generate random graphs with a given degree sequence |
| degree_distribution | Degree and degree distribution of the vertices |
| degseq | Generate random graphs with a given degree sequence |
| delete.edges | Delete edges from a graph |
| delete.vertices | Delete vertices from a graph |
| delete_edges | Delete edges from a graph |
| delete_edge_attr | Delete an edge attribute |
| delete_graph_attr | Delete a graph attribute |
| delete_vertex_attr | Delete a vertex attribute |
| delete_vertices | Delete vertices from a graph |
| dendPlot | Community structure dendrogram plots |
| de_bruijn_graph | De Bruijn graphs |
| dfs | Depth-first search |
| diameter | Diameter of a graph |
| difference | Difference of two sets |
| difference.igraph | Difference of graphs |
| difference.igraph.es | Difference of edge sequences |
| difference.igraph.vs | Difference of vertex sequences |
| dim_select | Dimensionality selection for singular values using profile likelihood. |
| directed_graph | Create an igraph graph from a list of edges, or a notable graph |
| disjoint_union | Disjoint union of graphs |
| distances | Shortest (directed or undirected) paths between vertices |
| distance_table | Shortest (directed or undirected) paths between vertices |
| diverging_pal | Diverging palette |
| diversity | Graph diversity |
| DL | Reading foreign file formats |
| dominator.tree | Dominator tree |
| dominator_tree | Dominator tree |
| dot-data | '.data' and '.env' pronouns |
| dot-env | '.data' and '.env' pronouns |
| dot_product | Generate random graphs according to the random dot product graph model |
| drl_defaults | The DrL graph layout generator |
| dyad.census | Dyad census of a graph |
| dyad_census | Dyad census of a graph |
| E | Edges of a graph |
| E<- | Query or set attributes of the edges in an edge sequence |
| each_edge | Rewires the endpoints of the edges of a graph to a random vertex |
| eccentricity | Eccentricity of the vertices in a graph |
| ecount | The size of the graph (number of edges) |
| edge | Helper function for adding and deleting edges |
| edge.attributes | Query edge attributes of a graph |
| edge.attributes<- | Set one or more edge attributes |
| edge.betweenness | Vertex and edge betweenness centrality |
| edge.betweenness.community | Community structure detection based on edge betweenness |
| edge.betweenness.estimate | Vertex and edge betweenness centrality |
| edge.connectivity | Edge connectivity. |
| edge.disjoint.paths | Edge connectivity. |
| edges | Helper function for adding and deleting edges |
| edge_attr | Query edge attributes of a graph |
| edge_attr<- | Set one or more edge attributes |
| edge_attr_names | List names of edge attributes |
| edge_betweenness | Vertex and edge betweenness centrality |
| edge_connectivity | Edge connectivity. |
| edge_density | Graph density |
| edge_disjoint_paths | Edge connectivity. |
| ego | Neighborhood of graph vertices |
| ego_graph | Neighborhood of graph vertices |
| ego_size | Neighborhood of graph vertices |
| eigen_centrality | Find Eigenvector Centrality Scores of Network Positions |
| embed_adjacency_matrix | Spectral Embedding of Adjacency Matrices |
| embed_laplacian_matrix | Spectral Embedding of the Laplacian of a Graph |
| empty_graph | A graph with no edges |
| ends | Incident vertices of some graph edges |
| erdos.renyi.game | Generate random graphs according to the Erdos-Renyi model |
| establishment.game | Graph generation based on different vertex types |
| estimate_betweenness | Vertex and edge betweenness centrality |
| estimate_closeness | Closeness centrality of vertices |
| estimate_edge_betweenness | Vertex and edge betweenness centrality |
| eulerian_cycle | Find Eulerian paths or cycles in a graph |
| eulerian_path | Find Eulerian paths or cycles in a graph |
| evcent | Find Eigenvector Centrality Scores of Network Positions |
| exportPajek | Calculate Cohesive Blocks |
| export_pajek | Calculate Cohesive Blocks |
| farthest.nodes | Diameter of a graph |
| farthest_vertices | Diameter of a graph |
| fastgreedy.community | Community structure via greedy optimization of modularity |
| feedback_arc_set | Finding a feedback arc set in a graph |
| fit_hrg | Fit a hierarchical random graph model |
| fit_power_law | Fitting a power-law distribution function to discrete data |
| forest.fire.game | Forest Fire Network Model |
| from_adjacency | Create graphs from adjacency matrices |
| from_data_frame | Creating igraph graphs from data frames or vice-versa |
| from_edgelist | Create a graph from an edge list matrix |
| from_incidence_matrix | Create graphs from an incidence matrix |
| from_literal | Creating (small) graphs via a simple interface |
| from_prufer | Create an undirected tree graph from its Prufer sequence |
| full_bipartite_graph | Create a full bipartite graph |
| full_citation_graph | Create a complete (full) citation graph |
| full_graph | Create a full graph |
| get.adjacency | Convert a graph to an adjacency matrix |
| get.adjedgelist | Adjacency lists |
| get.adjlist | Adjacency lists |
| get.all.shortest.paths | Shortest (directed or undirected) paths between vertices |
| get.data.frame | Creating igraph graphs from data frames or vice-versa |
| get.diameter | Diameter of a graph |
| get.edge | Incident vertices of some graph edges |
| get.edge.attribute | Query edge attributes of a graph |
| get.edge.ids | Find the edge ids based on the incident vertices of the edges |
| get.edgelist | Convert a graph to an edge list |
| get.edges | Incident vertices of some graph edges |
| get.graph.attribute | Graph attributes of a graph |
| get.incidence | Incidence matrix of a bipartite graph |
| get.shortest.paths | Shortest (directed or undirected) paths between vertices |
| get.stochastic | Stochastic matrix of a graph |
| get.vertex.attribute | Query vertex attributes of a graph |
| getIgraphOpt | Parameters for the igraph package |
| get_diameter | Diameter of a graph |
| girth | Girth of a graph |
| global_efficiency | Efficiency of a graph |
| GML | Reading foreign file formats |
| gnm | Generate random graphs according to the G(n,m) Erdos-Renyi model |
| gnp | Generate random graphs according to the G(n,p) Erdos-Renyi model |
| gorder | Order (number of vertices) of a graph |
| graph | Create an igraph graph from a list of edges, or a notable graph |
| graph.adhesion | Edge connectivity. |
| graph.adjacency | Create graphs from adjacency matrices |
| graph.adjlist | Create graphs from adjacency lists |
| graph.atlas | Create a graph from the Graph Atlas |
| graph.attributes | Graph attributes of a graph |
| graph.attributes<- | Set all or some graph attributes |
| graph.automorphisms | Number of automorphisms |
| graph.bfs | Breadth-first search |
| graph.bipartite | Create a bipartite graph |
| graph.cohesion | Vertex connectivity. |
| graph.complementer | Complementer of a graph |
| graph.compose | Compose two graphs as binary relations |
| graph.coreness | K-core decomposition of graphs |
| graph.count.isomorphisms.vf2 | Count the number of isomorphic mappings between two graphs |
| graph.count.subisomorphisms.vf2 | Count the isomorphic mappings between a graph and the subgraphs of another graph |
| graph.data.frame | Creating igraph graphs from data frames or vice-versa |
| graph.de.bruijn | De Bruijn graphs |
| graph.density | Graph density |
| graph.dfs | Depth-first search |
| graph.difference | Difference of graphs |
| graph.disjoint.union | Disjoint union of graphs |
| graph.diversity | Graph diversity |
| graph.edgelist | Create a graph from an edge list matrix |
| graph.eigen | Eigenvalues and eigenvectors of the adjacency matrix of a graph |
| graph.empty | A graph with no edges |
| graph.extended.chordal.ring | Create an extended chordal ring graph |
| graph.famous | Create an igraph graph from a list of edges, or a notable graph |
| graph.formula | Creating (small) graphs via a simple interface |
| graph.full | Create a full graph |
| graph.full.bipartite | Create a full bipartite graph |
| graph.full.citation | Create a complete (full) citation graph |
| graph.get.isomorphisms.vf2 | Calculate all isomorphic mappings between the vertices of two graphs |
| graph.get.subisomorphisms.vf2 | All isomorphic mappings between a graph and subgraphs of another graph |
| graph.graphdb | Load a graph from the graph database for testing graph isomorphism. |
| graph.incidence | Create graphs from an incidence matrix |
| graph.intersection | Intersection of graphs |
| graph.isoclass | Isomorphism class of a graph |
| graph.isoclass.subgraph | Isomorphism class of a graph |
| graph.isocreate | Create a graph from an isomorphism class |
| graph.isomorphic | Decide if two graphs are isomorphic |
| graph.isomorphic.34 | Decide if two graphs are isomorphic |
| graph.isomorphic.bliss | Decide if two graphs are isomorphic |
| graph.isomorphic.vf2 | Decide if two graphs are isomorphic |
| graph.kautz | Kautz graphs |
| graph.knn | Average nearest neighbor degree |
| graph.laplacian | Graph Laplacian |
| graph.lattice | Create a lattice graph |
| graph.lcf | Creating a graph from LCF notation |
| graph.maxflow | Maximum flow in a graph |
| graph.mincut | Minimum cut in a graph |
| graph.motifs | Graph motifs |
| graph.motifs.est | Graph motifs |
| graph.motifs.no | Graph motifs |
| graph.neighborhood | Neighborhood of graph vertices |
| graph.ring | Create a ring graph |
| graph.star | Create a star graph, a tree with n vertices and n - 1 leaves |
| graph.strength | Strength or weighted vertex degree |
| graph.subisomorphic.lad | Decide if a graph is subgraph isomorphic to another one |
| graph.subisomorphic.vf2 | Decide if a graph is subgraph isomorphic to another one |
| graph.tree | Create tree graphs |
| graph.union | Union of graphs |
| graphlets | Graphlet decomposition of a graph |
| graphlets.candidate.basis | Graphlet decomposition of a graph |
| graphlets.project | Graphlet decomposition of a graph |
| graphlet_basis | Graphlet decomposition of a graph |
| graphlet_proj | Graphlet decomposition of a graph |
| GraphML | Reading foreign file formats |
| graphs_from_cohesive_blocks | Calculate Cohesive Blocks |
| graph_ | Convert object to a graph |
| graph_attr | Graph attributes of a graph |
| graph_attr<- | Set all or some graph attributes |
| graph_attr_names | List names of graph attributes |
| graph_from_adjacency_matrix | Create graphs from adjacency matrices |
| graph_from_adj_list | Create graphs from adjacency lists |
| graph_from_atlas | Create a graph from the Graph Atlas |
| graph_from_data_frame | Creating igraph graphs from data frames or vice-versa |
| graph_from_edgelist | Create a graph from an edge list matrix |
| graph_from_graphdb | Load a graph from the graph database for testing graph isomorphism. |
| graph_from_graphnel | Convert graphNEL objects from the graph package to igraph |
| graph_from_incidence_matrix | Create graphs from an incidence matrix |
| graph_from_isomorphism_class | Create a graph from an isomorphism class |
| graph_from_lcf | Creating a graph from LCF notation |
| graph_from_literal | Creating (small) graphs via a simple interface |
| graph_id | Get the id of a graph |
| graph_version | igraph data structure versions |
| greedy_vertex_coloring | Greedy vertex coloring |
| grg | Geometric random graphs |
| grg.game | Geometric random graphs |
| groups | Groups of a vertex partitioning |
| groups.communities | Groups of a vertex partitioning |
| groups.default | Groups of a vertex partitioning |
| growing | Growing random graph generation |
| growing.random.game | Growing random graph generation |
| gsize | The size of the graph (number of edges) |
| harmonic_centrality | Harmonic centrality of vertices |
| has.multiple | Find the multiple or loop edges in a graph |
| has_eulerian_cycle | Find Eulerian paths or cycles in a graph |
| has_eulerian_path | Find Eulerian paths or cycles in a graph |
| head_of | Head of the edge(s) in a graph |
| head_print | Print the only the head of an R object |
| hierarchical_sbm | Sample the hierarchical stochastic block model |
| hierarchy | Calculate Cohesive Blocks |
| hrg | Create a hierarchical random graph from an igraph graph |
| hrg-methods | Hierarchical random graphs |
| hrg.consensus | Create a consensus tree from several hierarchical random graph models |
| hrg.create | Create a hierarchical random graph from an igraph graph |
| hrg.dendrogram | HRG dendrogram plot |
| hrg.fit | Fit a hierarchical random graph model |
| hrg.game | Sample from a hierarchical random graph model |
| hrg.predict | Predict edges based on a hierarchical random graph model |
| hrg_tree | Create an igraph graph from a hierarchical random graph model |
| hub.score | Kleinberg's hub centrality scores. |
| hub_score | Kleinberg's hub centrality scores. |
| identical_graphs | Decide if two graphs are identical |
| igraph | The igraph package |
| igraph-attribute-combination | How igraph functions handle attributes when the graph changes |
| igraph-dollar | Getting and setting graph attributes, shortcut |
| igraph-es-attributes | Query or set attributes of the edges in an edge sequence |
| igraph-es-indexing | Indexing edge sequences |
| igraph-es-indexing2 | Select edges and show their metadata |
| igraph-minus | Delete vertices or edges from a graph |
| igraph-vs-attributes | Query or set attributes of the vertices in a vertex sequence |
| igraph-vs-indexing | Indexing vertex sequences |
| igraph-vs-indexing2 | Select vertices and show their metadata |
| igraph.arpack.default | ARPACK eigenvector calculation |
| igraph.console | The igraph console |
| igraph.drl.coarsen | The DrL graph layout generator |
| igraph.drl.coarsest | The DrL graph layout generator |
| igraph.drl.default | The DrL graph layout generator |
| igraph.drl.final | The DrL graph layout generator |
| igraph.drl.refine | The DrL graph layout generator |
| igraph.eigen.default | Eigenvalues and eigenvectors of the adjacency matrix of a graph |
| igraph.from.graphNEL | Convert graphNEL objects from the graph package to igraph |
| igraph.options | Parameters for the igraph package |
| igraph.plotting | Drawing graphs |
| igraph.sample | Sampling a random integer sequence |
| igraph.shape.noclip | Various vertex shapes when plotting igraph graphs |
| igraph.shape.noplot | Various vertex shapes when plotting igraph graphs |
| igraph.to.graphNEL | Convert igraph graphs to graphNEL objects from the graph package |
| igraph.version | Query igraph's version string |
| igraph.vertex.shapes | Various vertex shapes when plotting igraph graphs |
| igraphdemo | Run igraph demos, step by step |
| igraphtest | Run package tests |
| igraph_demo | Run igraph demos, step by step |
| igraph_opt | Parameters for the igraph package |
| igraph_options | Parameters for the igraph package |
| igraph_test | Run package tests |
| igraph_version | Query igraph's version string |
| incident | Incident edges of a vertex in a graph |
| incident_edges | Incident edges of multiple vertices in a graph |
| indent_print | Indent a printout |
| independence.number | Independent vertex sets |
| independent.vertex.sets | Independent vertex sets |
| induced.subgraph | Subgraph of a graph |
| induced_subgraph | Subgraph of a graph |
| infomap.community | Infomap community finding |
| interconnected.islands.game | A graph with subgraphs that are each a random graph. |
| intersection | Intersection of two or more sets |
| intersection.igraph | Intersection of graphs |
| intersection.igraph.es | Intersection of edge sequences |
| intersection.igraph.vs | Intersection of vertex sequences |
| in_circle | Graph layout with vertices on a circle. |
| is.bipartite | Create a bipartite graph |
| is.chordal | Chordality of a graph |
| is.connected | Connected components of a graph |
| is.dag | Directed acyclic graphs |
| is.degree.sequence | Check if a degree sequence is valid for a multi-graph |
| is.directed | Check whether a graph is directed |
| is.graphical.degree.sequence | Is a degree sequence graphical? |
| is.hierarchical | Functions to deal with the result of network community detection |
| is.igraph | Is this object an igraph graph? |
| is.loop | Find the multiple or loop edges in a graph |
| is.matching | Graph matching |
| is.maximal.matching | Graph matching |
| is.minimal.separator | Minimal vertex separators |
| is.multiple | Find the multiple or loop edges in a graph |
| is.mutual | Find mutual edges in a directed graph |
| is.named | Named graphs |
| is.separator | Vertex separators |
| is.simple | Simple graphs |
| is.weighted | Weighted graphs |
| isomorphic | Decide if two graphs are isomorphic |
| isomorphisms | Calculate all isomorphic mappings between the vertices of two graphs |
| isomorphism_class | Isomorphism class of a graph |
| is_bipartite | Create a bipartite graph |
| is_chordal | Chordality of a graph |
| is_connected | Connected components of a graph |
| is_dag | Directed acyclic graphs |
| is_degseq | Check if a degree sequence is valid for a multi-graph |
| is_directed | Check whether a graph is directed |
| is_graphical | Is a degree sequence graphical? |
| is_hierarchical | Functions to deal with the result of network community detection |
| is_igraph | Is this object an igraph graph? |
| is_isomorphic_to | Decide if two graphs are isomorphic |
| is_matching | Graph matching |
| is_max_matching | Graph matching |
| is_min_separator | Minimal vertex separators |
| is_named | Named graphs |
| is_printer_callback | Is this a printer callback? |
| is_separator | Vertex separators |
| is_simple | Simple graphs |
| is_subgraph_isomorphic_to | Decide if a graph is subgraph isomorphic to another one |
| is_tree | Decide whether a graph is a tree. |
| is_weighted | Weighted graphs |
| ivs | Independent vertex sets |
| ivs_size | Independent vertex sets |
| k.regular.game | Create a random regular graph |
| kautz_graph | Kautz graphs |
| keeping_degseq | Graph rewiring while preserving the degree distribution |
| knn | Average nearest neighbor degree |
| label.propagation.community | Finding communities based on propagating labels |
| laplacian_matrix | Graph Laplacian |
| largest.cliques | Functions to find cliques, ie. complete subgraphs in a graph |
| largest.independent.vertex.sets | Independent vertex sets |
| largest_cliques | Functions to find cliques, ie. complete subgraphs in a graph |
| largest_ivs | Independent vertex sets |
| largest_weighted_cliques | Functions to find weighted cliques, ie. weighted complete subgraphs in a graph |
| lastcit.game | Random citation graphs |
| last_cit | Random citation graphs |
| lattice | Create a lattice graph |
| layout | Graph layouts |
| layout.auto | Choose an appropriate graph layout algorithm automatically |
| layout.bipartite | Simple two-row layout for bipartite graphs |
| layout.circle | Deprecated layout functions |
| layout.davidson.harel | The Davidson-Harel layout algorithm |
| layout.drl | The DrL graph layout generator |
| layout.fruchterman.reingold | Deprecated layout functions |
| layout.fruchterman.reingold.grid | Grid Fruchterman-Reingold layout, this was removed from igraph |
| layout.gem | The GEM layout algorithm |
| layout.graphopt | The graphopt layout algorithm |
| layout.grid | Simple grid layout |
| layout.grid.3d | Simple grid layout |
| layout.kamada.kawai | Deprecated layout functions |
| layout.lgl | Deprecated layout functions |
| layout.mds | Graph layout by multidimensional scaling |
| layout.merge | Merging graph layouts |
| layout.norm | Normalize coordinates for plotting graphs |
| layout.random | Deprecated layout functions |
| layout.reingold.tilford | Deprecated layout functions |
| layout.sphere | Deprecated layout functions |
| layout.spring | Spring layout, this was removed from igraph |
| layout.star | Generate coordinates to place the vertices of a graph in a star-shape |
| layout.sugiyama | The Sugiyama graph layout generator |
| layout.svd | SVD layout, this was removed from igraph |
| layout_ | Graph layouts |
| layout_as_bipartite | Simple two-row layout for bipartite graphs |
| layout_as_star | Generate coordinates to place the vertices of a graph in a star-shape |
| layout_as_tree | The Reingold-Tilford graph layout algorithm |
| layout_components | Merging graph layouts |
| layout_in_circle | Graph layout with vertices on a circle. |
| layout_nicely | Choose an appropriate graph layout algorithm automatically |
| layout_on_grid | Simple grid layout |
| layout_on_sphere | Graph layout with vertices on the surface of a sphere |
| layout_randomly | Randomly place vertices on a plane or in 3d space |
| layout_with_dh | The Davidson-Harel layout algorithm |
| layout_with_drl | The DrL graph layout generator |
| layout_with_fr | The Fruchterman-Reingold layout algorithm |
| layout_with_gem | The GEM layout algorithm |
| layout_with_graphopt | The graphopt layout algorithm |
| layout_with_kk | The Kamada-Kawai layout algorithm |
| layout_with_lgl | Large Graph Layout |
| layout_with_mds | Graph layout by multidimensional scaling |
| layout_with_sugiyama | The Sugiyama graph layout generator |
| leading.eigenvector.community | Community structure detecting based on the leading eigenvector of the community matrix |
| length.cohesiveBlocks | Calculate Cohesive Blocks |
| length.communities | Functions to deal with the result of network community detection |
| LGL | Reading foreign file formats |
| line.graph | Line graph of a graph |
| line_graph | Line graph of a graph |
| list.edge.attributes | List names of edge attributes |
| list.graph.attributes | List names of graph attributes |
| list.vertex.attributes | List names of vertex attributes |
| local_efficiency | Efficiency of a graph |
| local_scan | Compute local scan statistics on graphs |
| make_ | Make a new graph |
| make_bipartite_graph | Create a bipartite graph |
| make_chordal_ring | Create an extended chordal ring graph |
| make_clusters | Creates a communities object. |
| make_de_bruijn_graph | De Bruijn graphs |
| make_directed_graph | Create an igraph graph from a list of edges, or a notable graph |
| make_ego_graph | Neighborhood of graph vertices |
| make_empty_graph | A graph with no edges |
| make_from_prufer | Create an undirected tree graph from its Prufer sequence |
| make_full_bipartite_graph | Create a full bipartite graph |
| make_full_citation_graph | Create a complete (full) citation graph |
| make_full_graph | Create a full graph |
| make_graph | Create an igraph graph from a list of edges, or a notable graph |
| make_kautz_graph | Kautz graphs |
| make_lattice | Create a lattice graph |
| make_line_graph | Line graph of a graph |
| make_ring | Create a ring graph |
| make_star | Create a star graph, a tree with n vertices and n - 1 leaves |
| make_tree | Create tree graphs |
| make_undirected_graph | Create an igraph graph from a list of edges, or a notable graph |
| match_vertices | Match Graphs given a seeding of vertex correspondences |
| maxcohesion | Calculate Cohesive Blocks |
| maximal.cliques | Functions to find cliques, ie. complete subgraphs in a graph |
| maximal.cliques.count | Functions to find cliques, ie. complete subgraphs in a graph |
| maximal.independent.vertex.sets | Independent vertex sets |
| maximal_ivs | Independent vertex sets |
| maximum.bipartite.matching | Graph matching |
| maximum.cardinality.search | Maximum cardinality search |
| max_bipartite_match | Graph matching |
| max_cardinality | Maximum cardinality search |
| max_cliques | Functions to find cliques, ie. complete subgraphs in a graph |
| max_cohesion | Calculate Cohesive Blocks |
| max_flow | Maximum flow in a graph |
| max_weighted_cliques | Functions to find weighted cliques, ie. weighted complete subgraphs in a graph |
| mean_distance | Shortest (directed or undirected) paths between vertices |
| median.sir | SIR model on graphs |
| membership | Functions to deal with the result of network community detection |
| merges | Functions to deal with the result of network community detection |
| merge_coords | Merging graph layouts |
| minimal.st.separators | Minimum size vertex separators |
| minimum.size.separators | Minimum size vertex separators |
| minimum.spanning.tree | Minimum spanning tree |
| min_cut | Minimum cut in a graph |
| min_separators | Minimum size vertex separators |
| min_st_separators | Minimum size vertex separators |
| mod.matrix | Modularity of a community structure of a graph |
| modularity | Modularity of a community structure of a graph |
| modularity.communities | Functions to deal with the result of network community detection |
| modularity.igraph | Modularity of a community structure of a graph |
| modularity_matrix | Modularity of a community structure of a graph |
| motifs | Graph motifs |
| mst | Minimum spanning tree |
| multilevel.community | Finding community structure by multi-level optimization of modularity |
| neighborhood | Neighborhood of graph vertices |
| neighborhood.size | Neighborhood of graph vertices |
| neighbors | Neighboring (adjacent) vertices in a graph |
| nexus | Query and download from the Nexus network repository |
| nexus.get | Query and download from the Nexus network repository |
| nexus.info | Query and download from the Nexus network repository |
| nexus.list | Query and download from the Nexus network repository |
| nexus.search | Query and download from the Nexus network repository |
| nexusDatasetInfo | Query and download from the Nexus network repository |
| nexus_get | Query and download from the Nexus network repository |
| nexus_info | Query and download from the Nexus network repository |
| nexus_list | Query and download from the Nexus network repository |
| nexus_search | Query and download from the Nexus network repository |
| nicely | Choose an appropriate graph layout algorithm automatically |
| no.clusters | Connected components of a graph |
| normalize | Normalize layout |
| norm_coords | Normalize coordinates for plotting graphs |
| on_grid | Simple grid layout |
| on_sphere | Graph layout with vertices on the surface of a sphere |
| optimal.community | Optimal community structure |
| pa | Generate random graphs using preferential attachment |
| page.rank | The Page Rank algorithm |
| page_rank | The Page Rank algorithm |
| Pajek | Reading foreign file formats |
| parent | Calculate Cohesive Blocks |
| path | Helper function to add or delete edges along a path |
| path.length.hist | Shortest (directed or undirected) paths between vertices |
| pa_age | Generate an evolving random graph with preferential attachment and aging |
| permute | Permute the vertices of a graph |
| permute.vertices | Permute the vertices of a graph |
| piecewise.layout | Merging graph layouts |
| plot.cohesiveBlocks | Calculate Cohesive Blocks |
| plot.communities | Functions to deal with the result of network community detection |
| plot.graph | Plotting of graphs |
| plot.igraph | Plotting of graphs |
| plot.sir | Plotting the results on multiple SIR model runs |
| plotHierarchy | Calculate Cohesive Blocks |
| plot_dendrogram | Community structure dendrogram plots |
| plot_dendrogram.communities | Community structure dendrogram plots |
| plot_dendrogram.igraphHRG | HRG dendrogram plot |
| plot_hierarchy | Calculate Cohesive Blocks |
| power.law.fit | Fitting a power-law distribution function to discrete data |
| power_centrality | Find Bonacich Power Centrality Scores of Network Positions |
| predict_edges | Predict edges based on a hierarchical random graph model |
| pref | Trait-based random generation |
| preference.game | Trait-based random generation |
| print.cohesiveBlocks | Calculate Cohesive Blocks |
| print.communities | Functions to deal with the result of network community detection |
| print.igraph | Print graphs to the terminal |
| print.igraph.es | Print an edge sequence to the screen |
| print.igraph.vs | Show a vertex sequence on the screen |
| print.igraphHRG | Print a hierarchical random graph model to the screen |
| print.igraphHRGConsensus | Print a hierarchical random graph consensus tree to the screen |
| print.igraph_layout_modifier | Graph layouts |
| print.igraph_layout_spec | Graph layouts |
| print.nexusDatasetInfo | Query and download from the Nexus network repository |
| print.nexusDatasetInfoList | Query and download from the Nexus network repository |
| printer_callback | Create a printer callback function |
| printr | Better printing of R packages |
| print_all | Print graphs to the terminal |
| quantile.sir | SIR model on graphs |
| radius | Radius of a graph |
| random.graph.game | Generate random graphs according to the Erdos-Renyi model |
| randomly | Randomly place vertices on a plane or in 3d space |
| random_edge_walk | Random walk on a graph |
| random_walk | Random walk on a graph |
| read.graph | Reading foreign file formats |
| read_graph | Reading foreign file formats |
| realize_degseq | Creating a graph from a given degree sequence, deterministically |
| reciprocity | Reciprocity of graphs |
| remove.edge.attribute | Delete an edge attribute |
| remove.graph.attribute | Delete a graph attribute |
| remove.vertex.attribute | Delete a vertex attribute |
| rep.igraph | Replicate a graph multiple times |
| rev.igraph.es | Reverse the order in an edge sequence |
| rev.igraph.vs | Reverse the order in a vertex sequence |
| reverse_edges | Reverse edges in a graph |
| rewire | Rewiring edges of a graph |
| rglplot | 3D plotting of graphs with OpenGL |
| rglplot.igraph | 3D plotting of graphs with OpenGL |
| ring | Create a ring graph |
| running.mean | Running mean of a time series |
| running_mean | Running mean of a time series |
| r_pal | The default R palette |
| sample_ | Sample from a random graph model |
| sample_asym_pref | Trait-based random generation |
| sample_bipartite | Bipartite random graphs |
| sample_cit_cit_types | Random citation graphs |
| sample_cit_types | Random citation graphs |
| sample_correlated_gnp | Generate a new random graph from a given graph by randomly adding/removing edges |
| sample_correlated_gnp_pair | Sample a pair of correlated G(n,p) random graphs |
| sample_degseq | Generate random graphs with a given degree sequence |
| sample_dirichlet | Sample from a Dirichlet distribution |
| sample_dot_product | Generate random graphs according to the random dot product graph model |
| sample_fitness | Random graphs from vertex fitness scores |
| sample_fitness_pl | Scale-free random graphs, from vertex fitness scores |
| sample_forestfire | Forest Fire Network Model |
| sample_gnm | Generate random graphs according to the G(n,m) Erdos-Renyi model |
| sample_gnp | Generate random graphs according to the G(n,p) Erdos-Renyi model |
| sample_grg | Geometric random graphs |
| sample_growing | Growing random graph generation |
| sample_hierarchical_sbm | Sample the hierarchical stochastic block model |
| sample_hrg | Sample from a hierarchical random graph model |
| sample_islands | A graph with subgraphs that are each a random graph. |
| sample_k_regular | Create a random regular graph |
| sample_last_cit | Random citation graphs |
| sample_motifs | Graph motifs |
| sample_pa | Generate random graphs using preferential attachment |
| sample_pa_age | Generate an evolving random graph with preferential attachment and aging |
| sample_pref | Trait-based random generation |
| sample_sbm | Sample stochastic block model |
| sample_seq | Sampling a random integer sequence |
| sample_smallworld | The Watts-Strogatz small-world model |
| sample_spanning_tree | Samples from the spanning trees of a graph randomly and uniformly |
| sample_sphere_surface | Sample vectors uniformly from the surface of a sphere |
| sample_sphere_volume | Sample vectors uniformly from the volume of a sphere |
| sample_traits | Graph generation based on different vertex types |
| sample_traits_callaway | Graph generation based on different vertex types |
| sample_tree | Sample trees randomly and uniformly |
| sbm | Sample stochastic block model |
| sbm.game | Sample stochastic block model |
| scan_stat | Scan statistics on a time series of graphs |
| scg | All-in-one Function for the SCG of Matrices and Graphs |
| scg-method | Spectral Coarse Graining |
| scgGrouping | SCG Problem Solver |
| scgNormEps | Error of the spectral coarse graining (SCG) approximation |
| scgSemiProjectors | Semi-Projectors |
| scg_eps | Error of the spectral coarse graining (SCG) approximation |
| scg_group | SCG Problem Solver |
| scg_semi_proj | Semi-Projectors |
| seeded.graph.match | Match Graphs given a seeding of vertex correspondences |
| sequential_pal | Sequential palette |
| set.edge.attribute | Set edge attributes |
| set.graph.attribute | Set a graph attribute |
| set.vertex.attribute | Set vertex attributes |
| set_edge_attr | Set edge attributes |
| set_graph_attr | Set a graph attribute |
| set_vertex_attr | Set vertex attributes |
| shapes | Various vertex shapes when plotting igraph graphs |
| shape_noclip | Various vertex shapes when plotting igraph graphs |
| shape_noplot | Various vertex shapes when plotting igraph graphs |
| shortest.paths | Shortest (directed or undirected) paths between vertices |
| shortest_paths | Shortest (directed or undirected) paths between vertices |
| showtrace | Functions to deal with the result of network community detection |
| show_trace | Functions to deal with the result of network community detection |
| similarity | Similarity measures of two vertices |
| similarity.dice | Similarity measures of two vertices |
| similarity.invlogweighted | Similarity measures of two vertices |
| similarity.jaccard | Similarity measures of two vertices |
| simplified | Constructor modifier to drop multiple and loop edges |
| simplify | Simple graphs |
| simplify_and_colorize | Simple graphs |
| sir | SIR model on graphs |
| sizes | Functions to deal with the result of network community detection |
| smallworld | The Watts-Strogatz small-world model |
| spectrum | Eigenvalues and eigenvectors of the adjacency matrix of a graph |
| spinglass.community | Finding communities in graphs based on statistical meachanics |
| split_join_distance | Split-join distance of two community structures |
| srand | Deprecated function, used to set random seed of the C library's RNG |
| star | Create a star graph, a tree with n vertices and n - 1 leaves |
| static.fitness.game | Random graphs from vertex fitness scores |
| static.power.law.game | Scale-free random graphs, from vertex fitness scores |
| stCuts | List all (s,t)-cuts of a graph |
| stMincuts | List all minimum (s,t)-cuts of a graph |
| stochastic_matrix | Stochastic matrix of a graph |
| str.igraph | Print graphs to the terminal |
| strength | Strength or weighted vertex degree |
| st_cuts | List all (s,t)-cuts of a graph |
| st_min_cuts | List all minimum (s,t)-cuts of a graph |
| subcomponent | In- or out- component of a vertex |
| subgraph | Subgraph of a graph |
| subgraph.centrality | Find subgraph centrality scores of network positions |
| subgraph.edges | Subgraph of a graph |
| subgraph_centrality | Find subgraph centrality scores of network positions |
| subgraph_isomorphic | Decide if a graph is subgraph isomorphic to another one |
| subgraph_isomorphisms | All isomorphic mappings between a graph and subgraphs of another graph |
| summary.cohesiveBlocks | Calculate Cohesive Blocks |
| summary.igraph | Print graphs to the terminal |
| summary.nexusDatasetInfoList | Query and download from the Nexus network repository |
| t.igraph | Reverse edges in a graph |
| tail_of | Tails of the edge(s) in a graph |
| time_bins | SIR model on graphs |
| time_bins.sir | SIR model on graphs |
| tkigraph | Experimental basic igraph GUI |
| tkplot | Interactive plotting of graphs |
| tkplot.canvas | Interactive plotting of graphs |
| tkplot.center | Interactive plotting of graphs |
| tkplot.close | Interactive plotting of graphs |
| tkplot.export.postscript | Interactive plotting of graphs |
| tkplot.fit.to.screen | Interactive plotting of graphs |
| tkplot.getcoords | Interactive plotting of graphs |
| tkplot.off | Interactive plotting of graphs |
| tkplot.reshape | Interactive plotting of graphs |
| tkplot.rotate | Interactive plotting of graphs |
| tkplot.setcoords | Interactive plotting of graphs |
| tk_canvas | Interactive plotting of graphs |
| tk_center | Interactive plotting of graphs |
| tk_close | Interactive plotting of graphs |
| tk_coords | Interactive plotting of graphs |
| tk_fit | Interactive plotting of graphs |
| tk_off | Interactive plotting of graphs |
| tk_postscript | Interactive plotting of graphs |
| tk_reshape | Interactive plotting of graphs |
| tk_rotate | Interactive plotting of graphs |
| tk_set_coords | Interactive plotting of graphs |
| topological.sort | Topological sorting of vertices in a graph |
| topo_sort | Topological sorting of vertices in a graph |
| to_prufer | Convert a tree graph to its Prufer sequence |
| traits | Graph generation based on different vertex types |
| traits_callaway | Graph generation based on different vertex types |
| transitivity | Transitivity of a graph |
| tree | Create tree graphs |
| triad.census | Triad census, subgraphs with three vertices |
| triad_census | Triad census, subgraphs with three vertices |
| triangles | Find triangles in graphs |
| UCINET | Reading foreign file formats |
| undirected_graph | Create an igraph graph from a list of edges, or a notable graph |
| unfold.tree | Convert a general graph into a forest |
| unfold_tree | Convert a general graph into a forest |
| union | Union of two or more sets |
| union.igraph | Union of graphs |
| union.igraph.es | Union of edge sequences |
| union.igraph.vs | Union of vertex sequences |
| unique.igraph.es | Remove duplicate edges from an edge sequence |
| unique.igraph.vs | Remove duplicate vertices from a vertex sequence |
| upgrade_graph | igraph data structure versions |
| V | Vertices of a graph |
| V<- | Query or set attributes of the vertices in a vertex sequence |
| vcount | Order (number of vertices) of a graph |
| vertex | Helper function for adding and deleting vertices |
| vertex.attributes | Query vertex attributes of a graph |
| vertex.attributes<- | Set one or more vertex attributes |
| vertex.connectivity | Vertex connectivity. |
| vertex.disjoint.paths | Vertex connectivity. |
| vertex.shape.pie | Using pie charts as vertices in graph plots |
| vertex.shapes | Various vertex shapes when plotting igraph graphs |
| vertex_attr | Query vertex attributes of a graph |
| vertex_attr<- | Set one or more vertex attributes |
| vertex_attr_names | List names of vertex attributes |
| vertex_connectivity | Vertex connectivity. |
| vertex_disjoint_paths | Vertex connectivity. |
| vertices | Helper function for adding and deleting vertices |
| walktrap.community | Community structure via short random walks |
| watts.strogatz.game | The Watts-Strogatz small-world model |
| weighted_cliques | Functions to find weighted cliques, ie. weighted complete subgraphs in a graph |
| weighted_clique_num | Functions to find weighted cliques, ie. weighted complete subgraphs in a graph |
| which_loop | Find the multiple or loop edges in a graph |
| which_multiple | Find the multiple or loop edges in a graph |
| which_mutual | Find mutual edges in a directed graph |
| without_attr | Construtor modifier to remove all attributes from a graph |
| without_loops | Constructor modifier to drop loop edges |
| without_multiples | Constructor modifier to drop multiple edges |
| with_dh | The Davidson-Harel layout algorithm |
| with_drl | The DrL graph layout generator |
| with_edge_ | Constructor modifier to add edge attributes |
| with_fr | The Fruchterman-Reingold layout algorithm |
| with_gem | The GEM layout algorithm |
| with_graphopt | The graphopt layout algorithm |
| with_graph_ | Constructor modifier to add graph attributes |
| with_igraph_opt | Run code with a temporary igraph options setting |
| with_kk | The Kamada-Kawai layout algorithm |
| with_lgl | Large Graph Layout |
| with_mds | Graph layout by multidimensional scaling |
| with_sugiyama | The Sugiyama graph layout generator |
| with_vertex_ | Constructor modifier to add vertex attributes |
| write.graph | Writing the graph to a file in some format |
| write_graph | Writing the graph to a file in some format |
| $.igraph | Getting and setting graph attributes, shortcut |
| $.igraph.es | Query or set attributes of the edges in an edge sequence |
| $.igraph.vs | Query or set attributes of the vertices in a vertex sequence |
| $<-.igraph | Getting and setting graph attributes, shortcut |
| $<-.igraph.es | Query or set attributes of the edges in an edge sequence |
| $<-.igraph.vs | Query or set attributes of the vertices in a vertex sequence |
| %--% | Indexing edge sequences |
| %->% | Indexing edge sequences |
| %<-% | Indexing edge sequences |
| %>% | Magrittr's pipes |
| %c% | Compose two graphs as binary relations |
| %du% | Disjoint union of graphs |
| %m% | Difference of graphs |
| %s% | Intersection of graphs |
| %u% | Union of graphs |
| *.igraph | Replicate a graph multiple times |
| +.igraph | Add vertices, edges or another graph to a graph |
| -.igraph | Delete vertices or edges from a graph |
| .apply_modifiers | Applies a set of constructor modifiers to an already constructed graph. |
| .data | '.data' and '.env' pronouns |
| .env | '.data' and '.env' pronouns |
| .extract_constructor_and_modifiers | Takes an argument list and extracts the constructor specification and constructor modifiers from it. |
| [.igraph | Query and manipulate a graph as it were an adjacency matrix |
| [.igraph.es | Indexing edge sequences |
| [.igraph.vs | Indexing vertex sequences |
| [.nexusDatasetInfoList | Query and download from the Nexus network repository |
| [<-.igraph.es | Query or set attributes of the edges in an edge sequence |
| [<-.igraph.vs | Query or set attributes of the vertices in a vertex sequence |
| [[.igraph | Query and manipulate a graph as it were an adjacency list |
| [[.igraph.es | Select edges and show their metadata |
| [[.igraph.vs | Select vertices and show their metadata |
| [[<-.igraph.es | Query or set attributes of the edges in an edge sequence |
| [[<-.igraph.vs | Query or set attributes of the vertices in a vertex sequence |