relations: Data Structures and Algorithms for Relations
David Meyer, Kurt Hornik · 2007
Data structures and algorithms for k-ary relations with arbitrary domains, featuring relational algebra, predicate functions, and fitters for consensus relations. LazyData yesDepends R (>= 3.2.0)Imports cluster, stats, slam, sets (>= 1.0-16), graphics, grDevices Suggests Rgraphviz, clue (>= 0.3-49), Rglpk (>= 0.3-1), lpSolve (>= 5.6.3),Rsymphony (>= 0.