subGraph {graph} | R Documentation

## Create a Subgraph

### Description

Given a set of nodes and a graph this function creates and returns subgraph with only the supplied nodes and any edges between them.

### Usage

    subGraph(snodes, graph)

### Arguments

`snodes` | A `character` vector of node labels.
`graph` | A graph object, it must inherit from the `graph` class.

### Details

The returned subgraph is a copy of the graph. Implementations for Implementations for `graphNEL`, `distGraph` and `clusterGraph`.

### Value

A graph of the same class as the `graph` argument but with only the supplied nodes.

### Author(s)

R. Gentleman

### See Also

`nodes`,`edges`

### Examples

            set.seed(123)
            x <- rnorm(26)
            names(x) <- letters
            library(stats)
            d1 <- dist(x)
            g1 <- new("distGraph", Dist=d1)
            subGraph(letters[1:5], g1)

[Package graph version 1.72.0 Index]