DiagrammeR (version 0.8.4)

get_edge_df: Get an edge data frame from a graph

Description

From a graph, obtain an edge data frame with all current edge attributes.

Usage

get_edge_df(graph)

Arguments

graph

a graph object of class dgr_graph that is created using create_graph.

Value

an edge data frame.

Examples

library(magrittr)

# Create a graph using several piped functions
graph <-
  create_graph() %>%
  add_n_nodes(1, "a") %>%
  select_last_node %>%
  add_n_nodes_ws(5, "from", "b") %>%
  select_edges_by_node_id(3:5) %>%
  set_edge_attrs_ws(
    "color", "green") %>%
  set_edge_attrs_ws(
    "rel", "a") %>%
  invert_selection %>%
  set_edge_attrs_ws(
    "color", "blue") %>%
  set_edge_attrs_ws(
    "rel", "b") %>%
  clear_selection

# Get the graph's internal edge data frame (edf)
graph %>% get_edge_df
#>   from to rel color
#> 1    1  2   b  blue
#> 2    1  3   a green
#> 3    1  4   a green
#> 4    1  5   a green
#> 5    1  6   b  blue