delete_node {DiagrammeR} | R Documentation |
From a graph object of class
dgr_graph
, delete an existing node by
specifying its node ID.
delete_node(graph, node)
graph |
a graph object of class
|
node |
a node ID for the node to be deleted from the graph. |
a graph object of class dgr_graph
.
# Create a graph with 5 nodes and # edges between each in a path graph <- create_graph() %>% add_path(n = 5) # Delete node with ID `3` graph <- delete_node(graph, node = 3) # Verify that the node with ID `3` # is no longer in the graph graph %>% get_node_ids() # Also note that edges are removed # since there were edges between the # removed node to and from other nodes graph %>% get_edges()