View source: R/delete_edges_ws.R
delete_edges_ws | R Documentation |
In a graph object of class dgr_graph
, delete all edges present in a
selection.
This function makes use of an active selection of edges (and the function
ending with _ws
hints at this).
Selections of edges can be performed using the following selection
(select_*()
) functions: select_edges()
, select_last_edges_created()
,
select_edges_by_edge_id()
, or select_edges_by_node_id()
.
Selections of edges can also be performed using the following traversal
(trav_*()
) functions: trav_out_edge()
, trav_in_edge()
,
trav_both_edge()
, or trav_reverse_edge()
.
delete_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_loop_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 a graph
graph <-
create_graph() %>%
add_n_nodes(n = 3) %>%
add_edges_w_string(
edges = "1->3 1->2 2->3")
# Select edges attached to
# node with ID `3` (these are
# `1`->`3` and `2`->`3`)
graph <-
graph %>%
select_edges_by_node_id(nodes = 3)
# Delete edges in selection
graph <-
graph %>%
delete_edges_ws()
# Get a count of edges in the graph
graph %>% count_edges()
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