recurse | R Documentation |
Recursively apply a permutation to a vector an arbitrary number of times. Negative times mean apply the inverse permutation.
recurse(perm, i, start = seq_along(perm))
perm |
Permutation (integers 1 to |
start |
Start vector to be permuted |
i |
Number of times to apply the permutation. |
Robin K. S. Hankin
hudson
n <- 15
noquote(recurse(start=letters[1:n],perm=shift(1:n),i=0))
noquote(recurse(start=letters[1:n],perm=shift(1:n),i=1))
noquote(recurse(start=letters[1:n],perm=shift(1:n),i=2))
noquote(recurse(start=letters[1:n],perm=sample(n),i=1))
noquote(recurse(start=letters[1:n],perm=sample(n),i=2))
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