add_edge_df {DiagrammeR} | R Documentation |
With a graph object
of class dgr_graph
, add
edges from an edge data frame to
that graph.
add_edge_df(graph, edge_df)
graph |
a graph object of
class |
edge_df |
an edge data frame
that is created using
|
a graph object of class
dgr_graph
.
# Create a graph with 4 nodes # and no edges graph <- create_graph() %>% add_n_nodes(n = 4) # Create an edge data frame (edf) edf <- create_edge_df( from = c(1, 2, 3), to = c(4, 3, 1)) # Add the edge data frame to # the graph object to create # a graph with both nodes # and edges graph <- graph %>% add_edge_df( edge_df = edf) # Get the graph's edges to # verify that the edf had # been added graph %>% get_edges( return_type = "vector")