subgraph
creates a subgraph of a graph, containing
only the specified vertices and all the edges among them.induced.subgraph(graph, vids, impl=c("auto", "copy_and_delete",
"create_from_scratch"))
subgraph.edges(graph, eids, delete.vertices = TRUE)
subgraph(graph, v)
copy_and_delete
eids
.induced.subgraph
calculates the induced subgraph of a set of
vertices in a graph. This means that exactly the specified vertices
and all the edges between then will be kept in the result graph. subgraph.edges
calculates the subgraph of a graph. For this
function one can specify the vertices and edges to keep. This
function will be renamed to subgraph
in the next major
version of igraph.
The subgraph
function does the same as induced.graph
currently (assuming auto
impl
argument), but it is deprecated and will be removed in the next
major version of igraph.
g <- graph.ring(10)
g2 <- induced.subgraph(g, 1:7)
g3 <- subgraph.edges(g, 1:5, 1:5)
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