R igraph manual pages

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)

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