select_last_edge: Select last edge in a series of edges defined in a graph
Description
Select the last edge from a graph object of class
dgr_graph. Strictly, this is the edge definition that
encompasses the last record of the graph's edge data frame. In
practice, this will typically be the last edge created.
Usage
select_last_edge(graph)
Arguments
graph
a graph object of class dgr_graph that is created
using create_graph.