poseticDataAnalysis (version 1.0.0)

CoverRelation: Computing the cover relation of a poset.

Description

Computes the cover relation of the input poset.

Usage

CoverRelation(poset)

Value

A two-column matrix \(M\) of character strings (element \(M[i,2]\) covers element \(M[i,1]\)).

Arguments

poset

An object of S4 class POSet. Argument poset must be created by using any function contained in the package aimed at building object of S4 class POSet (e.g. POSet(), LinearPOSet(), ProductPOSet(), ...) .

Examples

elems <- c("a", "b", "c", "d")

dom <- matrix(c(
  "a", "b",
  "c", "b",
  "b", "d"
), ncol = 2, byrow = TRUE)

pos <- POSet(elements = elems, dom = dom)

M <- CoverRelation(pos)