Network Visualization

adding edges from a table to a graph is possible

Code
  graph %>% add_edges_from_table(edge_table, from_col = from, to_col = to_currency,
    from_to_map = iso_4217_code)
Condition
  Error in `add_edges_from_table()`:
  ! The value specified in `from_col` is not in the table.
Code
  graph %>% add_edges_from_table(edge_table, from_col = from_currency, to_col = to,
    from_to_map = iso_4217_code)
Condition
  Error in `add_edges_from_table()`:
  ! The value specified in `to_col` is not in the table.
Code
  graph %>% add_edges_from_table(edge_table, from_col = from_currency, to_col = to_currency,
    from_to_map = iso_4217)
Condition
  Error in `add_edges_from_table()`:
  ! The value specified in `from_to_map` is not in the graph.