R igraph manual pages

Use this if you are using igraph from R

Set one or more edge attributes

Description

Set one or more edge attributes

Usage

edge_attr(graph, name, index = E(graph)) <- value

Arguments

graph

The graph.

name

The name of the edge attribute to set. If missing, then value must be a named list, and its entries are set as edge attributes.

index

An optional edge sequence to set the attributes of a subset of edges.

value

The new value of the attribute(s) for all (or index) edges.

Value

The graph, with the edge attribute(s) added or set.

See Also

Other graph attributes: delete_edge_attr, delete_graph_attr, delete_vertex_attr, edge_attr_names, edge_attr, graph_attr<-, graph_attr_names, graph_attr, igraph-dollar, igraph-vs-attributes, set_edge_attr, set_graph_attr, set_vertex_attr, vertex_attr<-, vertex_attr_names, vertex_attr

Examples

g <- make_ring(10)
edge_attr(g) <- list(name = LETTERS[1:10],
                      color = rep("green", gsize(g)))
edge_attr(g, "label") <- E(g)$name
g
plot(g)

[Package igraph version 1.2.4.1 Index]