get_nbrs | R Documentation |
With one or more nodes, get the set of all neighboring nodes.
get_nbrs(graph, nodes)
graph |
A graph object of class |
nodes |
A vector of node ID values. |
A vector of node ID values.
# Create a simple, directed graph with 5
# nodes and 4 edges
graph <-
create_graph() %>%
add_path(n = 5)
# Find all neighbor nodes for node `2`
graph %>% get_nbrs(nodes = 2)
# Find all neighbor nodes for nodes `1`
# and `5`
graph %>% get_nbrs(nodes = c(1, 5))
# Color node `3` with purple, get its
# neighbors and color those nodes green
graph <-
graph %>%
select_nodes_by_id(nodes = 3) %>%
set_node_attrs_ws(
node_attr = color,
value = "purple") %>%
clear_selection() %>%
select_nodes_by_id(
nodes = get_nbrs(
graph = .,
nodes = 3)) %>%
set_node_attrs_ws(
node_attr = color,
value = "green")
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