This is a data R package, that contains network data sets, to be used with the igraph R package.
From CRAN:
install.packages("igraphdata")
You can install the development version from Github, using the devtools package:
devtools::install_github("igraph/igraphdata")
library(igraphdata)
data(package = "igraphdata")
#> Data sets in package 'igraphdata':
#>
#> Koenigsberg Bridges of Koenigsberg from Euler's times
#> UKfaculty Friendship network of a UK university
#> faculty
#> USairports US airport network, 2010 December
#> enron Enron Email Network
#> foodwebs A collection of food webs
#> immuno Immunoglobulin interaction network
#> karate Zachary's karate club network
#> kite Krackhardt's kite
#> macaque Visuotactile brain areas and connections
#> yeast Yeast protein interaction network
CC BY-SA 4.0, plus see LICENSE for the licenses of the individual data sets.