is_directed {igraph} | R Documentation |
Check whether a graph is directed
Description
Check whether a graph is directed
Usage
is_directed(graph)
Arguments
graph |
The input graph |
Value
Logical scalar, whether the graph is directed.
See Also
Other structural queries:
[.igraph()
,
[[.igraph()
,
adjacent_vertices()
,
are_adjacent()
,
ends()
,
get.edge.ids()
,
gorder()
,
gsize()
,
head_of()
,
incident()
,
incident_edges()
,
neighbors()
,
tail_of()
Examples
g <- make_ring(10)
is_directed(g)
g2 <- make_ring(10, directed = TRUE)
is_directed(g2)
[Package igraph version 2.0.3 Index]