cache_edge_attrs: Cache edge attributes in the graph
Description
From a graph object of class
dgr_graph, get edge attribute properties for
one or more edges and cache those values in the
graph for later retrieval using get_cache.
Usage
cache_edge_attrs(graph, edge_attr, mode = NULL, from = NULL, to = NULL)
Arguments
graph
a graph object of class
dgr_graph.
edge_attr
the edge attribute from which to
obtain values.
mode
a option to recast the returned vector
of edge attribute value as numeric or
character.
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.
Value
a graph object of class dgr_graph.