deposit_edge_count_in_selection: Deposit a count of edges (available in a selection) in the graph
Description
From a graph object of class dgr_graph, get a
count of edges available in a selection and deposit that value in
the graph for later retrieval using withdraw_values.
Usage
deposit_edge_count_in_selection(graph)
Arguments
graph
a graph object of class dgr_graph that is created
using create_graph.