Sort Pairs

A function to sort pairs of integers or factors and identify the pairs

sortPairs(c1, c2, spMat = FALSE)

Arguments

c1

a vector of length n with value between 0 and N1 < n

c2

a vector of length n with value between 0 and N2 < n

spMat

logical: send back the contingency table as sparsely encoded (cost more than the algorithm itself). Default is FALSE