RandomPartition (Combinatorica Package Symbol)

RandomPartition[n] constructs a random partition of integer n.

RandomPermutation (Combinatorica Package Symbol)

RandomPermutation[n] generates a random permutation of the first n natural numbers.

RandomTableau (Combinatorica Package Symbol)

RandomTableau[p] constructs a random Young tableau of shape p.

RandomTree (Combinatorica Package Symbol)

RandomTree[n] constructs a random labeled tree on n vertices.

RandomVertices (Combinatorica Package Symbol)

RandomVertices[g] assigns a random embedding to graph g.

RankGraph (Combinatorica Package Symbol)

RankGraph[g, l] partitions the vertices into classes based on the shortest geodesic distance to a member of list l.

RankRGF (Combinatorica Package Symbol)

RankRGF[f] returns the rank of a restricted growth function (RGF) f in the lexicographic order of all RGFs.

RealizeDegreeSequence (Combinatorica Package Symbol)

RealizeDegreeSequence[s] constructs a semirandom graph with degree sequence s.

RegularQ (Combinatorica Package Symbol)

RegularQ[g] yields True if g is a regular graph.

ReverseEdges (Combinatorica Package Symbol)

ReverseEdges[g] flips the directions of all edges in a directed graph.