DiagrammeR (version 0.8.4)

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, set_node_type = NULL)

Arguments

graph

a graph object of class dgr_graph that is created using create_graph.

n

the number of new nodes to add to the graph.

set_node_type

an optional string to apply a type attribute to all newly created nodes.

Value

a graph object of class dgr_graph.

Examples

library(magrittr)

# Create an empty graph and add 5 nodes to it; these
# nodes will be given ID values from 1 to 5
graph <-
  create_graph() %>%
  add_n_nodes(5)

# Get the graph's nodes
graph %>% get_nodes
#> [1] "1" "2" "3" "4" "5"