View source: R/delete_loop_edges_ws.R
delete_loop_edges_ws | R Documentation |
With a selection of nodes in a graph, remove any associated loop edges.
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()
.
delete_loop_edges_ws(graph)
graph |
A graph object of class |
A graph object of class dgr_graph
.
Other edge creation and removal:
add_edge()
,
add_edge_clone()
,
add_edge_df()
,
add_edges_from_table()
,
add_edges_w_string()
,
add_forward_edges_ws()
,
add_reverse_edges_ws()
,
copy_edge_attrs()
,
create_edge_df()
,
delete_edge()
,
delete_edges_ws()
,
drop_edge_attrs()
,
edge_data()
,
join_edge_attrs()
,
mutate_edge_attrs()
,
mutate_edge_attrs_ws()
,
recode_edge_attrs()
,
rename_edge_attrs()
,
rescale_edge_attrs()
,
rev_edge_dir()
,
rev_edge_dir_ws()
,
set_edge_attr_to_display()
,
set_edge_attrs()
,
set_edge_attrs_ws()
# Create an undirected, full graph
# of 5 nodes with loops retained
graph <-
create_graph(
directed = FALSE) %>%
add_full_graph(
n = 5,
keep_loops = TRUE)
# Select nodes `3` and `4`
# and remove the loop edges
# associated with those nodes
graph <-
graph %>%
select_nodes_by_id(
nodes = 3:4) %>%
delete_loop_edges_ws()
# Count the number of loop
# edges remaining in the graph
graph %>% count_loop_edges()
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