Arguments
graph
a graph object of class dgr_graph
that is created
using create_graph
.
edge_attr
an optional character vector of edge attribute values for
filtering the edges returned.
search
an option to provide a logical expression with a comparison
operator (>
, <
, ==
, or !=
) followed by a number
for numerical filtering, or, a regular expression for filtering the nodes
returned through string matching.
set_op
the set operation to perform upon consecutive selections
of graph edges This can either be as a union
(the default), as an
intersection
, or, as a difference
on the previous selection,
if it exists.
from
an optional vector of node IDs from which the edge is
outgoing for filtering the list of edges present in the graph.
to
an optional vector of node IDs to which the edge is
incoming for filtering the list of edges present in the graph.