DiagrammeR (version 0.9.0)

add_n_nodes: Add one or several unconnected nodes to the graph

Description

Add n new nodes to a graph object of class dgr_graph. Optionally, set node type values for the new nodes.

Usage

add_n_nodes(graph, n, type = NULL, label = NULL)

Arguments

graph

a graph object of class dgr_graph.

n

the number of new nodes to add to the graph.

type

an optional character vector that provides group identifiers for the nodes to be added.

label

an optional character object that describes the nodes to be added.

Value

a graph object of class dgr_graph.

Examples

# NOT RUN {
# Create an empty graph and add 5 nodes; these
# nodes will be assigned ID values from `1` to `5`
graph <-
  create_graph() %>%
  add_n_nodes(5)

# Get the graph's nodes
graph %>% get_node_ids()
#> [1] 1 2 3 4 5
# }