subgraph creates a subgraph of a graph, containing only the specified
vertices and all the edges among them.
subgraph(graph, vids) induced_subgraph( graph, vids, impl = c("auto", "copy_and_delete", "create_from_scratch") ) subgraph.edges(graph, eids, delete.vertices = TRUE)
The original graph.
Numeric vector, the vertices of the original graph which will form the subgraph.
Character scalar, to choose between two implementation of the
subgraph calculation. ‘
The edge ids of the edges that will be kept in the result graph.
Logical scalar, whether to remove vertices that do
not have any adjacent edges in
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 them 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
subgraph in the next major version of igraph.
subgraph function currently does the same as
auto’ as the
impl argument), but this behaviour
is deprecated. In the next major version,
subgraph will overtake the
A new graph object.
Gabor Csardi email@example.com
g <- make_ring(10) g2 <- induced_subgraph(g, 1:7) g3 <- subgraph.edges(g, 1:5, 1:5)
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