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igraph

Star Watch Copy Code

Network Analysis and Visualization

View on CRAN: Click here

Download and install igraph package within the R console
Install from CRAN:

 install.packages("igraph")

Install from Github:

 library("remotes")

                        install_github("cran/igraph")

Install by package version:

 library("remotes")

                        install_version("igraph", "2.2.1")

Attach the package and use:

 library("igraph")

Maintained by
Kirill Müller
[Scholar Profile | Author Map]

All associated links for this package

First Published: 2006-03-01

Latest Update: 2025-01-23

Description:

Routines for simple graphs and network analysis. It can handle large graphs very well and provides functions for generating random and regular graphs, graph visualization, centrality methods and much more.

How to cite:

Kirill Müller (2006). igraph: Network Analysis and Visualization. R package version 2.2.1, https://cran.r-project.org/web/packages/igraph. Accessed 09 Jun. 2026.

Previous versions and publish date:

0.1.1 (2006-03-01 09:41), 0.1.2 (2006-03-29 09:08), 0.2.1 (2006-08-25 10:17), 0.2 (2006-08-23 22:00), 0.3.1 (2006-12-07 18:52), 0.3.2 (2006-12-15 18:56), 0.3.3 (2007-02-28 09:56), 0.4.1 (2007-05-23 10:25), 0.4.2 (2007-06-07 11:21), 0.4.3 (2007-08-09 18:48), 0.4.4 (2007-10-03 20:43), 0.4.5 (2007-12-24 10:48), 0.4 (2007-05-22 10:37), 0.5.1 (2008-07-12 20:35), 0.5.2-2 (2009-05-08 13:37), 0.5.2 (2009-04-14 19:31), 0.5.3 (2009-11-22 17:20), 0.5.4-1 (2010-08-19 14:12), 0.5.4 (2010-08-06 18:36), 0.5.5-1 (2010-12-17 08:35), 0.5.5-2 (2011-03-21 18:32), 0.5.5-3 (2011-10-20 10:48), 0.5.5-4 (2011-12-13 09:36), 0.5.5 (2010-10-28 14:58), 0.5 (2008-02-13 12:30), 0.6-1 (2012-06-17 04:30), 0.6-2 (2012-06-20 16:54), 0.6-3 (2012-10-17 16:09), 0.6.4 (2013-02-04 22:20), 0.6.5-1 (2013-02-28 07:57), 0.6.5-2 (2013-05-23 17:39), 0.6.5 (2013-02-25 08:44), 0.6.6 (2013-10-28 21:46), 0.6 (2012-06-14 22:21), 0.7.0 (2014-02-05 08:45), 0.7.1 (2014-04-22 23:08), 1.0.0 (2015-06-24 18:47), 1.0.1 (2015-06-26 11:13), 1.1.1 (2017-07-16 18:29), 1.1.2 (2017-07-21 13:39), 1.2.1 (2018-03-10 22:33), 1.2.2 (2018-07-27 16:50), 1.2.3 (2019-02-10 15:43), 1.2.4.1 (2019-04-22 08:58), 1.2.4.2 (2019-11-27 21:02), 1.2.4 (2019-02-13 18:40), 1.2.5 (2020-03-19 10:20), 1.2.6 (2020-10-06 14:40), 1.2.7 (2021-10-15 12:20), 1.2.8 (2021-11-07 17:40), 1.2.9 (2021-11-24 00:50), 1.2.10 (2021-12-15 08:40), 1.2.11 (2022-01-05 00:40), 1.3.0 (2022-04-01 08:50), 1.3.1 (2022-04-20 18:52), 1.3.2 (2022-06-13 17:40), 1.3.3 (2022-07-15 02:20), 1.3.4 (2022-07-19 23:30), 1.3.5 (2022-09-22 09:10), 1.4.0 (2023-02-10 10:50), 1.4.1 (2023-02-24 11:50), 1.4.2 (2023-04-07 19:40), 1.4.3 (2023-05-22 15:50), 1.5.0.1 (2023-07-23 12:40), 1.5.0 (2023-06-16 10:30), 1.5.1 (2023-08-10 11:00), 1.6.0 (2023-12-11 08:50), 2.0.1.1 (2024-01-30 11:52), 2.0.1 (2024-01-29 12:50), 2.0.2 (2024-02-18 00:20), 2.0.3 (2024-03-13 08:30), 2.1.1 (2024-10-20 01:40), 2.1.2 (2024-12-07 18:00), 2.1.3 (2025-01-07 23:10), 2.1.4 (2025-01-23 11:20), 2.2.0 (2025-10-13 15:20), 2.2.1 (2025-10-27 10:50), 2.2.2 (2026-02-12 15:00), 2.2.3 (2026-04-07 08:40), 2.3.0 (2026-04-21 15:52), 2.3.1 (2026-05-04 07:40)

Other packages that cited igraph R package

View igraph citation profile

Other R packages that igraph depends, imports, suggests or enhances

View igraph dependency map

Complete documentation for igraph

View documentation PDF

Functions, R codes and Examples using the igraph R package

Some associated functions: E . V . aaa-igraph-package . add.edges . add.vertex.shape . add.vertices . add_edges . add_layout_ . add_vertices . adjacent.triangles . adjacent_vertices . aging.ba.game . aging.barabasi.game . aging.prefatt.game . all_simple_paths . alpha.centrality . alpha_centrality . are.connected . are_adjacent . arpack . articulation.points . articulation_points . as.directed . as.igraph . as.matrix.igraph . as_adj_list . as_adjacency_matrix . as_biadjacency_matrix . as_edgelist . as_graphnel . as_ids . as_incidence_matrix . as_long_data_frame . as_membership . as_phylo . assortativity.degree . assortativity.nominal . assortativity . asymmetric.preference.game . authority.score . autocurve.edges . automorphism_group . automorphisms . average.path.length . ba.game . barabasi.game . betweenness . bfs . biconnected.components . biconnected_components . bipartite.mapping . bipartite.projection . bipartite.projection.size . bipartite.random.game . bipartite_mapping . bipartite_projection . blockGraphs . bonpow . c.igraph.es . c.igraph.vs . callaway.traits.game . canonical.permutation . canonical_permutation . categorical_pal . centr_betw . centr_betw_tmax . centr_clo . centr_clo_tmax . centr_degree . centr_degree_tmax . centr_eigen . centr_eigen_tmax . centralization.betweenness . centralization.betweenness.tmax . centralization.closeness . centralization.closeness.tmax . centralization.degree . centralization.degree.tmax . centralization.evcent . centralization.evcent.tmax . centralize . centralize.scores . cited.type.game . citing.cited.type.game . clique.number . cliques . closeness . cluster.distribution . cluster_edge_betweenness . cluster_fast_greedy . cluster_fluid_communities . cluster_infomap . cluster_label_prop . cluster_leading_eigen . cluster_leiden . cluster_louvain . cluster_optimal . cluster_spinglass . cluster_walktrap . clusters . cocitation . code.length . cohesive.blocks . cohesive_blocks . communities . compare . complementer . component_wise . components . compose . connect.neighborhood . consensus_tree . console . constraint . contract . contract.vertices . convex.hull . convex_hull . coreness . count.multiple . count_automorphisms . count_isomorphisms . count_motifs . count_subgraph_isomorphisms . count_triangles . create.communities . curve_multiple . cutat . decompose.graph . decompose . degree.distribution . degree . degree.sequence.game . delete.edges . delete.vertices . delete_edge_attr . delete_edges . delete_graph_attr . delete_vertex_attr . delete_vertices . dendPlot . dfs . diameter . difference.igraph.es . difference.igraph . difference.igraph.vs . difference . dim_select . disjoint_union . distances . diverging_pal . diversity . dominator.tree . dominator_tree . dot-data . dyad.census . dyad_census . each_edge . eccentricity . edge.betweenness.community . edge.betweenness . edge.connectivity . edge.disjoint.paths . edge . edge_attr-set . edge_attr . edge_attr_names . edge_connectivity . edge_density . ego . eigen_centrality . embed_adjacency_matrix . embed_laplacian_matrix . ends . erdos.renyi.game . establishment.game . estimate_betweenness . estimate_closeness . estimate_edge_betweenness . evcent . exportPajek . farthest.nodes . fastgreedy.community . feedback_arc_set . fit_hrg . fit_power_law . forest.fire.game . from_incidence_matrix . get.adjacency . get.adjedgelist . get.adjlist . get.all.shortest.paths . get.data.frame . get.diameter . get.edge.attribute . get.edge.ids . get.edgelist . get.graph.attribute . get.incidence . get.shortest.paths . get.stochastic . get.vertex.attribute . getIgraphOpt . girth . global_efficiency . gorder . graph.adhesion . graph.adjacency . graph.adjlist . graph.automorphisms . graph.bfs . graph.cohesion . graph.complementer . graph.compose . graph.coreness . graph.data.frame . graph.density . graph.dfs . graph.difference . graph.disjoint.union . graph.diversity . graph.edgelist . graph.eigen . graph.graphdb . graph.incidence . graph.intersection . graph.isocreate . graph.knn . graph.laplacian . graph.maxflow . graph.mincut . graph.motifs.est . graph.motifs.no . graph.motifs . graph.neighborhood . graph.strength . graph.union . graph_ . graph_attr-set . graph_attr . graph_attr_names . graph_from_adj_list . graph_from_adjacency_matrix . graph_from_atlas . graph_from_biadjacency_matrix . graph_from_data_frame . graph_from_edgelist . graph_from_graphdb . graph_from_graphnel . graph_from_incidence_matrix . graph_from_isomorphism_class . graph_from_lcf . graph_from_literal . graph_id . graph_version . graphlet_basis . graphlets.candidate.basis . graphlets.project . greedy_vertex_coloring . grg.game . groups . growing.random.game . gsize . handle_vertex_type_arg . harmonic_centrality . has.multiple . has_eulerian_path . head_of . head_print . hrg-methods . hrg.consensus . hrg.create . hrg.dendrogram . hrg.fit . hrg.game . hrg . hrg.predict . hrg_tree . hub.score . hub_score . identical_graphs . igraph-attribute-combination . igraph-dollar . igraph-es-attributes . igraph-es-indexing . igraph-es-indexing2 . igraph-minus . igraph-vs-attributes . igraph-vs-indexing . igraph-vs-indexing2 . igraph.console . igraph.from.graphNEL . igraph.options . igraph.sample . igraph.shape.noclip . igraph.shape.noplot . igraph.to.graphNEL . igraph.version . igraph_demo . igraph_options . igraph_test . igraph_version . igraphdemo . igraphtest . incident . incident_edges . indent_print . independence.number . independent.vertex.sets . induced.subgraph . infomap.community . interconnected.islands.game . intersection.igraph.es . intersection.igraph . intersection.igraph.vs . intersection . is.bipartite . is.chordal . is.connected . is.dag . is.degree.sequence . is.directed . is.graphical.degree.sequence . is.hierarchical . is.igraph . is.loop . is.matching . is.maximal.matching . is.minimal.separator . is.multiple . is.mutual . is.named . is.separator . is.simple . is.weighted . is_acyclic . is_chordal . is_dag . is_degseq . is_directed . is_forest . is_graphical . is_igraph . is_min_separator . is_named . is_printer_callback . is_separator . is_tree . is_weighted . isomorphic . isomorphism_class . isomorphisms . ivs . k.regular.game . k_shortest_paths . keeping_degseq . knn . label.propagation.community . laplacian_matrix . largest.cliques . largest.independent.vertex.sets . lastcit.game . layout.auto . layout.bipartite . layout.davidson.harel . layout.deprecated . layout.drl . layout.fruchterman.reingold.grid . layout.gem . layout.graphopt . layout.grid . layout.mds . layout.merge . layout.norm . layout.spring . layout.star . layout.sugiyama . layout.svd . layout_ . layout_as_bipartite . layout_as_star . layout_as_tree . layout_in_circle . layout_nicely . layout_on_grid . layout_on_sphere . layout_randomly . layout_with_dh . layout_with_drl . layout_with_fr . layout_with_gem . layout_with_graphopt . layout_with_kk . layout_with_lgl . layout_with_mds . layout_with_sugiyama . leading.eigenvector.community . list.edge.attributes . list.graph.attributes . list.vertex.attributes . local_scan . make_ . make_bipartite_graph . make_chordal_ring . make_clusters . make_de_bruijn_graph . make_empty_graph . make_from_prufer . make_full_bipartite_graph . make_full_citation_graph . make_full_graph . make_graph . make_kautz_graph . make_lattice . make_line_graph . make_ring . make_star . make_tree . match_vertices . matching . max_cardinality . max_flow . maxcohesion . maximal.cliques.count . maximal.cliques . maximal.independent.vertex.sets . maximum.bipartite.matching . maximum.cardinality.search . merge_coords . min_cut . min_separators . min_st_separators . minimal.st.separators . minimum.size.separators . minimum.spanning.tree . mod.matrix . modularity.igraph . motifs . mst . multilevel.community . neighborhood.size . neighbors . no.clusters . norm_coords . normalize . optimal.community . page.rank . page_rank . path.length.hist . path . permute . permute.vertices . piecewise.layout . pipe . plot.common . plot.igraph . plot.sir . plotHierarchy . plot_dendrogram.communities . plot_dendrogram.igraphHRG . plus-.igraph . power.law.fit . power_centrality . predict_edges . preference.game . print.igraph.es . print.igraph . print.igraph.vs . print.igraphHRG . print.igraphHRGConsensus . printer_callback . r_pal . radius . random_walk . read.graph . read_graph . realize_degseq . reciprocity . remove.edge.attribute . remove.graph.attribute . remove.vertex.attribute . rep.igraph . rev.igraph.es . rev.igraph.vs . reverse_edges . rewire . rglplot . running.mean . running_mean . sample_ . sample_bipartite . sample_correlated_gnp . sample_correlated_gnp_pair . sample_degseq . sample_dirichlet . sample_dot_product . sample_fitness . sample_fitness_pl . sample_forestfire . sample_gnm . sample_gnp . sample_grg . sample_growing . sample_hierarchical_sbm . sample_hrg . sample_islands . sample_k_regular . sample_last_cit . sample_motifs . sample_pa . sample_pa_age . sample_pref . sample_sbm . sample_seq . sample_smallworld . sample_spanning_tree . sample_sphere_surface . sample_sphere_volume . sample_traits_callaway . sample_tree . sbm.game . scan_stat . scg-method . sequential_pal . set.edge.attribute . set.graph.attribute . set.vertex.attribute . set_edge_attr . set_graph_attr . set_vertex_attr . shapes . shortest.paths . showtrace . similarity . simplified . simplify . sir . spectrum . spinglass.community . split_join_distance . stCuts . stMincuts . st_cuts . st_min_cuts . static.fitness.game . static.power.law.game . stochastic_matrix . strength . sub-.igraph . sub-sub-.igraph . subcomponent . subgraph.centrality . subgraph . subgraph_centrality . subgraph_isomorphic . subgraph_isomorphisms . tail_of . tkigraph . tkplot.canvas . tkplot.center . tkplot.close . tkplot.export.postscript . tkplot.fit.to.screen . tkplot.getcoords . tkplot . tkplot.off . tkplot.reshape . tkplot.rotate . tkplot.setcoords . to_prufer . topo_sort . topological.sort . transitivity . triad.census . triad_census . unfold.tree . unfold_tree . union.igraph.es . union.igraph . union.igraph.vs . union . unique.igraph.es . unique.igraph.vs . upgrade_graph . vertex.connectivity . vertex.disjoint.paths . vertex . vertex.shape.pie . vertex.shapes . vertex_attr-set . vertex_attr . vertex_attr_names . vertex_connectivity . walktrap.community . watts.strogatz.game . weighted_cliques . which_multiple . which_mutual . with_edge_ . with_graph_ . with_igraph_opt . with_vertex_ . without_attr . without_loops . without_multiples . write.graph . write_graph .
Some associated R codes: aaa-a-deprecate.R . aaa-auto.R . adjacency.R . as_phylo.R . assortativity.R . attributes.R . basic.R . bipartite.R . centrality.R . centralization.R . cliques.R . cocitation.R . cohesive.blocks.R . coloring.R . community.R . components.R . console.R . conversion.R . cpp11.R . data_frame.R . decomposition.R . degseq.R . demo.R . efficiency.R . embedding.R . env-and-data.R . epi.R . eulerian.R . fit.R . flow.R . foreign.R . games.R . glet.R . has.R . hrg.R . idx.R . igraph-package.R . incidence.R . indexing.R . interface.R . iterators.R . layout.R . layout_drl.R . lazyeval.R . make.R . minimum.spanning.tree.R . motifs.R . old-0_1_1.R . old-0_2.R . old-0_5.R . old-0_6.R . old-1_0_0.R . old-1_5_0.R . operators.R . other.R . package.R . palette.R . par.R . paths.R . plot.R . plot.common.R . plot.shapes.R . pp.R . print.R . printr.R . random_walk.R . rewire.R . scan.R . scg.R . sgm.R . similarity.R . simple.R . sir.R . socnet.R . sparsedf.R . structural.properties.R . structure.info.R . test.R . tkplot.R . topology.R . trees.R . triangles.R . utils-ensure.R . utils-s3.R . utils.R . uuid.R . versions.R . weakref.R . zzz.R . Full igraph package functions and examples

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