is_directed | R Documentation |
Check whether a graph is directed
is_directed(graph)
graph |
The input graph |
Logical scalar, whether the graph is directed.
Other structural queries:
[.igraph()
,
[[.igraph()
,
adjacent_vertices()
,
are_adjacent()
,
ends()
,
get_edge_ids()
,
gorder()
,
gsize()
,
head_of()
,
incident()
,
incident_edges()
,
neighbors()
,
tail_of()
g <- make_ring(10)
is_directed(g)
g2 <- make_ring(10, directed = TRUE)
is_directed(g2)
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