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()
,
union()
,
union.igraph()
,
vertex()
Examples
g <- make_ring(10) %>%
set_vertex_attr("name", value = LETTERS[1:10])
g
#> IGRAPH 376b18d UN-- 10 10 -- Ring graph
#> + attr: name (g/c), mutual (g/l), circular (g/l), name (v/c)
#> + edges from 376b18d (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 376b18d:
#> [1] A B C D E F G H I J
g2 <- delete_vertices(g, c(1, 5)) %>%
delete_vertices("B")
g2
#> IGRAPH 981a5ea UN-- 7 5 -- Ring graph
#> + attr: name (g/c), mutual (g/l), circular (g/l), name (v/c)
#> + edges from 981a5ea (vertex names):
#> [1] C--D F--G G--H H--I I--J
V(g2)
#> + 7/7 vertices, named, from 981a5ea:
#> [1] C D F G H I J