igraph (version 1.1.1)

edge_attr: Query edge attributes of a graph

Description

Query edge attributes of a graph

Usage

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

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.

Value

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

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

# NOT RUN {
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)
# }