igraph

Network analysis library for creating and analyzing graphs

brewmacoslinux

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Network analysis package

igraph

Create a simple graph and analyze its properties$ igraph -c 'g <- make_ring(10); diameter(g)'

Generate a random graph and compute centrality measures$ igraph -c 'g <- sample_gnp(20, 0.3); betweenness(g)'

Load a graph from file and detect communities$ igraph -c 'g <- read_graph("network.gml", format="gml"); cluster_louvain(g)'