adjMatrix {ggm}R Documentation

Adjacency matrix of a graph

Description

Transforms the ``edge matrix'' of a graph into the adjacency matrix.

Usage

adjMatrix(A)

Arguments

A a square matrix representing the edge matrix of a graph.

Details

Given the edge matrix A of a graph, this can be transformed into an adjacency matrix E with the formula E = (A-I)^T.

Value

E the adjacency matrix of the graph.

Author(s)

Giovanni M. Marchetti

See Also

edgeMatrix

Examples

amat <- DAG(y ~ x+z, z~u+v)
E <- edgeMatrix(amat)
adjMatrix(E)

[Package ggm version 1.0.2 Index]