Use this if you are using igraph from R
| graph_ {igraph} | R Documentation | 
This is a generic function to convert R objects to igraph graphs.
graph_(...)
| ... | Parameters, see details below. | 
TODO
## These are equivalent
graph_(cbind(1:5,2:6), from_edgelist(directed = FALSE))
graph_(cbind(1:5,2:6), from_edgelist(), directed = FALSE)