https://github.com/cran/pracma
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Tip revision: c1688b374d201c13fb40b4dda2d2a89e34b94ec6 authored by Hans W. Borchers on 23 January 2021, 09:10:02 UTC
version 2.3.3
Tip revision: c1688b3
perms.R
##
##  p e r m s . R  Test Suite
##

perms <- pracma::perms
randperm <- pracma::randperm

identical(perms(2), matrix(2, 1, 1))
identical(perms(c(1, 2)), matrix(c(2, 1, 1, 2), 2, 2))
identical(nrow(perms(1:6)), 720L)

all(c(1,2,3) %in% randperm(c(1,2,3)))
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