DiagrammeR (version 0.8.4)

get_node_df: Get a node data frame from a graph

Description

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

Usage

get_node_df(graph)

Arguments

graph

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

Value

a node 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_nodes_by_id(1) %>%
  set_node_attrs_ws(
    "value", 25.3) %>%
  clear_selection %>%
  select_nodes_by_id(2:4) %>%
  set_node_attrs_ws(
    "color", "grey70") %>%
  invert_selection %>%
  set_node_attrs_ws(
    "color", "grey80") %>%
  clear_selection %>%
  select_nodes("value", "<15") %>%
  set_node_attrs_ws(
    "value", 10.0) %>%
  clear_selection

# Get the graph's internal node data frame (ndf)
graph %>% get_node_df
#>   nodes type label value  color
#> 1     1    a        25.3 grey80
#> 2     2    b     2    10 grey70
#> 3     3    b     3    10 grey70
#> 4     4    b     4    10 grey70
#> 5     5    b     5    10 grey80
#> 6     6    b     6    10 grey80