select_last_node {DiagrammeR} | R Documentation |
Select the last node from a graph
object of class dgr_graph
. Strictly, this is
the node encompassing the last record of the graph's
node data frame. In practice, this will typically be
the last node added to the graph.
select_last_node(graph)
graph |
a graph object of class
|
a graph object of class dgr_graph
.
# Create an empty graph graph <- create_graph() # Add three nodes to the graph graph <- graph %>% add_n_nodes(3) # Select the last node added graph <- graph %>% select_last_node() # Get the current selection graph %>% get_selection() #> [1] 3