View source: R/get_node_attrs_ws.R
get_node_attrs_ws | R Documentation |
From a graph object of class dgr_graph
, get node attribute values from
nodes currently active as a selection.
This function makes use of an active selection of nodes (and the function
ending with _ws
hints at this).
Selections of nodes can be performed using the following node selection
(select_*()
) functions: select_nodes()
, select_last_nodes_created()
,
select_nodes_by_degree()
, select_nodes_by_id()
, or
select_nodes_in_neighborhood()
.
Selections of nodes can also be performed using the following traversal
(trav_*()
) functions: trav_out()
, trav_in()
, trav_both()
,
trav_out_node()
, trav_in_node()
, trav_out_until()
, or
trav_in_until()
.
get_node_attrs_ws(graph, node_attr)
graph |
A graph object of class |
node_attr |
The name of the attribute for which to get values. |
A named vector of node attribute values for the attribute given by
node_attr
by node ID.
# Create a random graph using the
# `add_gnm_graph()` function
graph <-
create_graph() %>%
add_gnm_graph(
n = 4,
m = 4,
set_seed = 23) %>%
set_node_attrs(
node_attr = value,
values = c(2.5, 8.2, 4.2, 2.4))
# 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)
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