DiagrammeR (version 0.9.2)

get_node_attrs_ws: Get node attribute values from a selection of nodes

Description

From a graph object of class dgr_graph, get node attribute values from nodes currently active as a selection.

Usage

get_node_attrs_ws(graph, node_attr)

Arguments

graph

a graph object of class dgr_graph.

node_attr

the name of the attribute for which to get values.

Value

a named vector of node attribute values for the attribute given by node_attr by node ID.

Examples

# NOT RUN {
# Create a random graph and
# incorporate the node attribute
# called `value`
graph <-
  create_random_graph(
    n = 4, m = 4,
    set_seed = 23)

# Select nodes with ID values
# `1` and `3`
graph <-
  graph %>%
  select_nodes_by_id(
    nodes = c(1, 3))

# Get the node attribute values
# for the `value` attribute, limited
# to the current node selection
graph %>%
  get_node_attrs_ws(
    node_attr = value)
#>   1   3
#> 6.0 3.5
# }