allFree                 Utility functions for complete enumeration of
                        all possible permutations
allPerms                Complete enumeration of all possible
                        permutations
check                   Utility functions for permutation schemes
jackal                  Mandible lengths of male and female golden
                        jackals
nobs-methods            Number of observations in a given object
numPerms                Number of possible permutations for a given
                        object
shuffle                 Unrestricted and restricted permutations
shuffle-utils           Utility functions for unrestricted and
                        restricted permutations
shuffleSet              Generate a set of permutations from the
                        specified design.
