BDgraph (version 2.74)

link2adj: 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)

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 \(a_{ij}=0\).

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.

Author

Reza Mohammadi

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, 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)