[This article was first published on   Pirate Science » R, and kindly contributed to R-bloggers].  (You can report issue about the content on this page here)
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
            Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
Script for petridish layout in R
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | library(igraph)
 
# create empty graph
g <- graph.empty(directed=FALSE)
node_id <- c(1:1000)
 
# add nodes
g <- add.vertices(g,
nv=1000,
vert_colour=sample(c('blue','red','yellow','green','purple'),1000,replace=T))
 
# add edges
E <- sample(0:999,2000,replace=T)
g <- add.edges(g,E)
 
# optimize layout
lay <- layout.fruchterman.reingold(g)
 
# plot graph
plot(g,layout=lay,vertex.label='',vertex.size=2,vertex.color=V(g)$vert_colour) | 
Plot generated for this example:
To leave a comment for the author, please follow the link and comment on their blog:  Pirate Science » R.
R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R and many other topics. Click here if you're looking to post or find an R/data-science job.
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
