is_graph_undirected {DiagrammeR} | R Documentation |
Determines whether a graph is set as undirected or not and returns a logical value to that effect.
is_graph_undirected(graph)
graph |
a graph object of class
|
a logical value.
# Create an empty graph; by # default, new graphs made # by `create_graph()` are # directed graph, so, use # `directed = FALSE` to create # an undirected graph graph <- create_graph( directed = FALSE) # Determine whether the # graph is undirected graph %>% is_graph_undirected() # Use the `set_graph_directed()` # function and check again # as to whether the graph is # undirected graph %>% set_graph_directed() %>% is_graph_undirected()