igraph (version 1.3.5)

edge_attr: Query edge attributes of a graph

Description

Query edge attributes of a graph

Usage

edge_attr(graph, name, index = E(graph))

Value

The value of the edge attribute, or the list of all edge attributes if name is missing.

Arguments

graph

The graph

name

The name of the attribute to query. If missing, then all edge attributes are returned in a list.

index

An optional edge sequence, to query edge attributes for a subset of edges.

See Also

Other graph attributes: delete_edge_attr(), delete_graph_attr(), delete_vertex_attr(), edge_attr<-(), edge_attr_names(), 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) %>%
  set_edge_attr("weight", value = 1:10) %>%
  set_edge_attr("color", value = "red")
g
plot(g, edge.width = E(g)$weight)