Delete vertices from a graph
See also
Other functions for manipulating graph structure:
+.igraph(),
add_edges(),
add_vertices(),
complementer(),
compose(),
connect(),
contract(),
delete_edges(),
difference(),
difference.igraph(),
disjoint_union(),
edge(),
igraph-minus,
intersection(),
intersection.igraph(),
path(),
permute(),
rep.igraph(),
reverse_edges(),
simplify(),
transitive_closure(),
union(),
union.igraph(),
vertex()
Examples
g <- make_ring(10) %>%
set_vertex_attr("name", value = LETTERS[1:10])
g
#> IGRAPH 2f53ffe UN-- 10 10 -- Ring graph
#> + attr: name (g/c), mutual (g/l), circular (g/l), name (v/c)
#> + edges from 2f53ffe (vertex names):
#> [1] A--B B--C C--D D--E E--F F--G G--H H--I I--J A--J
V(g)
#> + 10/10 vertices, named, from 2f53ffe:
#> [1] A B C D E F G H I J
g2 <- delete_vertices(g, c(1, 5)) %>%
delete_vertices("B")
g2
#> IGRAPH 8d77625 UN-- 7 5 -- Ring graph
#> + attr: name (g/c), mutual (g/l), circular (g/l), name (v/c)
#> + edges from 8d77625 (vertex names):
#> [1] C--D F--G G--H H--I I--J
V(g2)
#> + 7/7 vertices, named, from 8d77625:
#> [1] C D F G H I J