Convert a directed graph to an undirected graph

Take a graph which is directed and convert it to an undirected graph.

set_graph_undirected(graph)

Arguments

graph	a graph object of class dgr_graph.

Value

a graph object of class dgr_graph.

Examples

# Create a graph with a
# directed tree
graph <-
  create_graph() %>%
  add_balanced_tree(
    k = 2, h = 2)

# Convert this graph from
# directed to undirected
graph <-
  graph %>%
  set_graph_undirected()

# Perform a check on whether
# graph is directed
graph %>%
  is_graph_directed()
#> [1] FALSE