igraph v0.3.1

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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
attributes Graph, vertex and edge attributes
barabasi.game Generate scale-free graphs according to the Barabasi-Albert model
closeness Closeness centrality of vertices
tkplot Interactive plotting of graphs
grg.game Geometric random graphs
igraph-parameters Parameters for the igraph package
power.law.fit Fitting a power-law distribution function to discrete data
neighborhood Neighborhood of graph vertices
constraint Burt's constraint
graph.constructors Various methods for creating graphs
layout Generate coordinates for plotting graphs
rglplot 3D plotting of graphs with OpenGL
graph-operators Graph operators
edge.connectivity Edge connectivity.
traits Graph generation based on different vertex types
transitivity Transitivity of a graph
graph.structure Method for structural manipulation of graphs
erdos.renyi.game Generate random graphs according to the Erdos-Renyi model
evcent Find Eigenvector Centrality Scores of Network Positions
community Undocumented functions for community structure detection
conversion Convert a graph to an adjacency matrix or an edge list
structure.info Gaining information about graph structure
simplify Remove loop and/or multiple edges from a graph
betweenness Vertex and edge betweenness centrality
growing.random.game Growing random graph generation
layout.merge Merging graph layouts
degree Degree and degree distribution of the vertices
decompose.graph Decompose a graph into components
bonpow Find Bonacich Power Centrality Scores of Network Positions
igraph.sample Sampling a random integer sequence
as.directed Convert between directed and undirected graphs
spinglass.community Finding communities in graphs based on statistical meachanics
page.rank The Page Rank algorithm
shortest.paths Shortest (directed or undirected) paths between vertices
cocitation Cocitation coupling
iterators Vertex and edge sequences and iterators
graph.density Graph density
graph.laplacian Graph Laplacian
preference.game Trait-based random generation
components In- or out- component of a vertex
running.mean Running mean of a time series
degree.sequence.game Generate random graphs with a given degree sequence
measure.dynamics Measuring the driving force in evolving networks
write.graph Writing the graph to a file in some format
rewire Graph rewiring
graph-isomorphism Graph Isomorphism
aging.prefatt.game Generate an evolving random graph with preferential attachment and aging
clusters Connected components of a graph
is.igraph Is this object a graph?
subgraph Subgraph of a graph
graph-motifs Graph motifs
reciprocity Reciprocity of graphs
read.graph Reading foreign file formats
diameter Diameter of a graph
minimum.spanning.tree Minimum spanning tree
vertex.connectivity Vertex connectivity.
graph.maxflow Maximum flow in a network
plot.igraph Plotting of graphs
print.igraph Print graphs to the terminal
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Date December 5, 2006
License GPL version 2 or later (June, 1991)
URL http://cneurocvs.rmki.kfki.hu/igraph
Packaged Wed Dec 6 18:37:50 2006; csardi
suggests rgl , stats4
Contributors Gabor Csardi

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