igraph v0.4.3


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


Date Aug 7, 2007
License GPL version 2 or later (June, 1991)
URL http://cneurocvs.rmki.kfki.hu/igraph
Packaged Thu Aug 9 17:59:04 2007; csardi
suggests rgl , stats4 , tcltk
depends stats
Contributors Gabor Csardi

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