Top "Igraph" questions

igraph is a free software package for creating and manipulating large undirected and directed graphs.

How to create a bipartite network in R with igraph or tnet

I have an edgelist for a two mode network, similar to this: person Event Amy football_game Sam picnic Bob …

r igraph sna
Failing to install python-igraph

I'm trying to install python-igraph. After I run sudo pip install python-igraph I got the following log: Downloading/unpacking python-igraph …

linux python-2.7 igraph
A hack to allow arrows size in R igraph to match edge width

Though the manual states that this will be a future feature: arrow.size The size of the arrows. Currently this …

r plot igraph
Creating Subgraph using igraph in R

I need to obtain a subgraph of the seed nodes (the input list of nodes; file.txt) and their first …

r igraph subgraph
How to list all graph vertex attributes in R?

I am using the igraph package in R. I would like to associate some data with each vertex, e.g. …

r igraph
Convert igraph object to a data frame in R

I'm working with the iGraph library and I need to run some statistical analysis on the network. I'm computing several …

r statistics igraph
How do I find the edges of a vertex using igraph and R?

Say I have this example graph, i want to find the edges connected to vertex 'a' d <- data.…

r igraph
How do I find the number of vertices in a graph created by iGraph in python?

I'm writing a function that receives a graph as input. The very first thing I need to do is determine …

python igraph
igraph Graph from numpy or pandas adjacency matrix

I have an adjacency matrix stored as a pandas.DataFrame: node_names = ['A', 'B', 'C'] a = pd.DataFrame([[1,2,3],[3,1,1],[4,0,2]], index=node_…

python numpy pandas igraph
How to split an igraph into connected subgraphs?

I have an igraph with several disconnected components. For example: library(igraph) g <- simplify( graph.compose( graph.ring(10), …

r igraph