igraph v0.4.2


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by Gabor Csardi

Routines for simple graphs, network analysis.

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

Functions in igraph

Name Description
diameter Diameter of a graph
barabasi.game Generate scale-free graphs according to the Barabasi-Albert model
leading.eigenvector.community Community structure detecting based on the leading eigenvector of the community matrix
aging.prefatt.game Generate an evolving random graph with preferential attachment and aging
layout.merge Merging graph layouts
grg.game Geometric random graphs
graph-isomorphism Graph Isomorphism
edge.betweenness.community Community structure detection based on edge betweenness
betweenness Vertex and edge betweenness centrality
alpha.centrality Find Bonacich alpha centrality scores of network positions
conversion Convert a graph to an adjacency matrix or an edge list
preference.game Trait-based random generation
girth Girth of a graph
clusters Connected components of a graph
graph.laplacian Graph Laplacian
communities Common functions supporting community detection algorithms
graph.coreness K-core decomposition of graphs
transitivity Transitivity of a graph
graph.density Graph density
simplify Remove loop and/or multiple edges from a graph
graph-operators Graph operators
Drawing graphs Drawing graphs
traits Graph generation based on different vertex types
graph.structure Method for structural manipulation of graphs
closeness Closeness centrality of vertices
layout Generate coordinates for plotting graphs
attributes Graph, vertex and edge attributes
modularity Modularity of a community structure of a graph
running.mean Running mean of a time series
decompose.graph Decompose a graph into components
growing.random.game Growing random graph generation
minimum.spanning.tree Minimum spanning tree
neighborhood Neighborhood of graph vertices
as.directed Convert between directed and undirected graphs
graph.constructors Various methods for creating graphs
fastgreedy.community Community structure via greedy optimization of modularity
bonpow Find Bonacich Power Centrality Scores of Network Positions
constraint Burt's constraint
evcent Find Eigenvector Centrality Scores of Network Positions
igraph.sample Sampling a random integer sequence
revolver Measuring the driving force in evolving networks
measure.dynamics Measuring the driving force in evolving networks
rewire.edges Rewires the endpoints of the edges of a graph randomly
graph.maxflow Maximum flow in a network
cliques The functions find cliques, ie. complete subgraphs in a graph
read.graph Reading foreign file formats
rglplot 3D plotting of graphs with OpenGL
independent.vertex.sets Independent vertex sets
components In- or out- component of a vertex
igraph.undocumented Undocumented and unsupportted igraph functions
shortest.paths Shortest (directed or undirected) paths between vertices
degree.sequence.game Generate random graphs with a given degree sequence
walktrap.community Community strucure via short random walks
igraph-parameters Parameters for the igraph package
edge.connectivity Edge connectivity.
reciprocity Reciprocity of graphs
is.igraph Is this object a graph?
iterators Vertex and edge sequences and iterators
erdos.renyi.game Generate random graphs according to the Erdos-Renyi model
cocitation Cocitation coupling
degree Degree and degree distribution of the vertices
subgraph Subgraph of a graph
rewire Graph rewiring
graph.graphdb Load a graph from the graph database for testing graph isomorphism.
page.rank The Page Rank algorithm
power.law.fit Fitting a power-law distribution function to discrete data
print.igraph Print graphs to the terminal
watts.strogatz.game The Watts-Strogatz small-world model
vertex.connectivity Vertex connectivity.
topological.sort Topological sorting of vertices in a graph
structure.info Gaining information about graph structure
tkplot Interactive plotting of graphs
plot.igraph Plotting of graphs
graph-motifs Graph motifs
write.graph Writing the graph to a file in some format
spinglass.community Finding communities in graphs based on statistical meachanics
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Last month downloads


Date May 28, 2007
License GPL version 2 or later (June, 1991)
URL http://cneurocvs.rmki.kfki.hu/igraph
Packaged Wed Jun 6 19:47:34 2007; csardi
suggests rgl , stats4
depends stats
Contributors Gabor Csardi

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