clos {ggm} | R Documentation |
Transforms an edge matrix of a graph.
clos(M)
M |
a square matrix with dimnames representing the edge matrix of an undirected graph |
The function clos
is not intended to be used directly
from the user. It is used by functions that compute the induced
covariance or concentration graphs. The function clos
is explained by Cox & Wermuth (2003).
a Boolean matrix of the same dimensions of M
.
Giovanni M. Marchetti
Wermuth, N. & Cox, D.R. (2003). Joint response graphs and separation induced by triangular systems. Submitted and available at http://psystat.sowi.uni-mainz.de.
DAG
, inducedCovGraph
, inducedConGraph