link2adj: Extract links from an adjacency matrix

In BDgraph: Bayesian Structure Learning in Graphical Models using Birth-Death MCMC

Extract links from an adjacency matrix

Description

Extract links from an adjacency matrix or an object of calsses "sim" from function bdgraph.sim and "graph" from function graph.sim.

Usage

 link2adj(link, p = NULL) 

Arguments

link	(2 \times p) matrix or a data.frame corresponding to the links from the graph structure.
p	number of nodes of the graph.

Value

An adjacency matrix corresponding to a graph structure in which a_{ij}=1 if there is a link between notes i and j, otherwise a_{ij}=0.

Author(s)

Reza Mohammadi [e-mail]

References

Mohammadi, R. and Wit, E. C. (2019). BDgraph: An R Package for Bayesian Structure Learning in Graphical Models, Journal of Statistical Software, 89(3):1-30, \Sexpr[results=rd]{tools:::Rd_expr_doi("10.18637/jss.v089.i03")}

See Also

adj2link, graph.sim

Examples

# Generating a 'random' graph 
adj <- graph.sim(p = 6, vis = TRUE)

link <- adj2link(adj)

link2adj(link, p = 6)
   

BDgraph documentation built on Aug. 29, 2025, 5:16 p.m.