connected.linnet | R Documentation |

Find the topologically-connected components of a linear network.

## S3 method for class 'linnet' connected(X, ..., what = c("labels", "components"))

`X` |
A linear network (object of class |

`...` |
Ignored. |

`what` |
Character string specifying the kind of result. |

The function `connected`

is generic. This is the method for
linear networks (objects of class `"linnet"`

).

Two vertices of the network are connected if they are joined by a path in the network. This function divides the network into subsets, such that all points in a subset are connected to each other.

If `what="labels"`

the return value is a factor with one entry
for each vertex of `X`

, identifying which connected component the
vertex belongs to.

If `what="components"`

the return value is a list of linear
networks, which are the connected components of `X`

.

If `what="labels"`

, a factor.
If `what="components"`

, a list of linear networks.

and Suman Rakshit.

`thinNetwork`

# remove some edges from a network to make it disconnected plot(simplenet, col="grey", main="", lty=2) A <- thinNetwork(simplenet, retainedges=-c(3,5)) plot(A, add=TRUE, lwd=2) # find the connected components connected(A) cA <- connected(A, what="components") plot(cA[[1]], add=TRUE, col="green", lwd=2) plot(cA[[2]], add=TRUE, col="blue", lwd=2)

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