I am working with graphs in R. I am currently using igraph and I would like to be able to plot bidirectional edges \"reciprocal edges\" of a graph. So far I\'ve seen it is p
Try plot(graph, edge.curved=TRUE). It definitely works in igraph 0.6, and it may also work in igraph 0.5.4 (not sure when it was added).
plot(graph, edge.curved=TRUE)