[Rd] Combinations and Permutations

[Dario Strbenac]

Good day,

In utils, there is a function named combn. It would seem complementary for utils to also offer permutations because of how closely mathematically related they are to each other. Could permutations be added to save on a package dependency if developing a package?

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Dario Strbenac
University of Sydney
Camperdown NSW 2050
Australia