DiagrammeR (version 0.8.4)

is_graph_directed: Is the graph a directed graph?

Description

Determines whether a graph is set to be directed or not and returns a logical value to that effect.

Usage

is_graph_directed(graph)

Arguments

graph

a graph object of class dgr_graph.

Value

a logical value.

Examples

library(magrittr)

# Create an empty graph; by default, new graphs
# made by `create_graph()` are directed`
graph <-
  create_graph()

# Determine whether the graph is directed
is_graph_directed(graph)
#> [1] TRUE

# Use the `set_graph_undirected()` function and
# check again whether the graph is directed
graph %>%
  set_graph_undirected %>%
  is_graph_directed
#> [1] FALSE