igraph v0.3.2

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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
closeness Closeness centrality of vertices
graph-isomorphism Graph Isomorphism
barabasi.game Generate scale-free graphs according to the Barabasi-Albert model
attributes Graph, vertex and edge attributes
bonpow Find Bonacich Power Centrality Scores of Network Positions
iterators Vertex and edge sequences and iterators
diameter Diameter of a graph
igraph-parameters Parameters for the igraph package
neighborhood Neighborhood of graph vertices
growing.random.game Growing random graph generation
power.law.fit Fitting a power-law distribution function to discrete data
conversion Convert a graph to an adjacency matrix or an edge list
graph-operators Graph operators
rewire Graph rewiring
degree.sequence.game Generate random graphs with a given degree sequence
graph.density Graph density
degree Degree and degree distribution of the vertices
constraint Burt's constraint
cocitation Cocitation coupling
graph.structure Method for structural manipulation of graphs
igraph.sample Sampling a random integer sequence
aging.prefatt.game Generate an evolving random graph with preferential attachment and aging
read.graph Reading foreign file formats
preference.game Trait-based random generation
components In- or out- component of a vertex
minimum.spanning.tree Minimum spanning tree
as.directed Convert between directed and undirected graphs
graph-motifs Graph motifs
graph.constructors Various methods for creating graphs
layout Generate coordinates for plotting graphs
grg.game Geometric random graphs
structure.info Gaining information about graph structure
reciprocity Reciprocity of graphs
running.mean Running mean of a time series
is.igraph Is this object a graph?
traits Graph generation based on different vertex types
layout.merge Merging graph layouts
erdos.renyi.game Generate random graphs according to the Erdos-Renyi model
measure.dynamics Measuring the driving force in evolving networks
rglplot 3D plotting of graphs with OpenGL
shortest.paths Shortest (directed or undirected) paths between vertices
graph.maxflow Maximum flow in a network
clusters Connected components of a graph
decompose.graph Decompose a graph into components
community Undocumented functions for community structure detection
simplify Remove loop and/or multiple edges from a graph
betweenness Vertex and edge betweenness centrality
page.rank The Page Rank algorithm
edge.connectivity Edge connectivity.
evcent Find Eigenvector Centrality Scores of Network Positions
plot.igraph Plotting of graphs
graph.laplacian Graph Laplacian
subgraph Subgraph of a graph
vertex.connectivity Vertex connectivity.
print.igraph Print graphs to the terminal
tkplot Interactive plotting of graphs
transitivity Transitivity of a graph
spinglass.community Finding communities in graphs based on statistical meachanics
write.graph Writing the graph to a file in some format
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Date December 5, 2006
License GPL version 2 or later (June, 1991)
URL http://cneurocvs.rmki.kfki.hu/igraph
Packaged Thu Dec 14 13:45:22 2006; csardi
suggests rgl , stats4
Contributors Gabor Csardi

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