2 packages on CRAN
Syntactic shortcuts for creating synthetic lists, vectors, and data frames using list comprehension.
Routines to select and visualize the maxima for a given strict partial order. This especially includes the computation of the Pareto frontier, also known as (Top-k) Skyline operator (see B<c3><b6>rzs<c3><b6>nyi, et al. (2001) <doi:10.1109/ICDE.2001.914855>), and some generalizations known as database preferences (see Kie<c3><9f>ling (2002) <doi:10.1016/B978-155860869-6/50035-4>).