cmpGraph {ggm} | R Documentation |
The complementary graph
Description
Finds the complementary graph of an undirected graph.
Usage
cmpGraph(amat)
Arguments
amat |
the adjacency matrix of an undirected graph |
Details
The complementary graph of an UG is the graph that has the same set
of nodes and an undirected edge connecting and
whenever there is not an
edge in the original UG.
Value
the edge matrix of the complementary graph.
Author(s)
Giovanni M. Marchetti
References
Lauritzen, S. (1996). Graphical models. Oxford: Clarendon Press.
See Also
Examples
## A chordless four-cycle
four <- UG(~ a*b + b*d + d*e + e*a)
four
cmpGraph(four)
[Package ggm version 2.5.1 Index]