R Graphical Manual

Last data update: 2014.03.03

R: Calculate the number of r-permutations of a multiset

np_multiset

R Documentation

Calculate the number of r-permutations of a multiset

Calculate the number of r-permutations of a multiset

np_multiset(f, r, bigz = FALSE)

`f`	the frequencies of the mutliset
`r`	the number of object drawn from the multiset
`bigz`	use gmp's Big Interger

the number of r-permutations (Big Integer from gmp)

x = c("a","a","b")
# possible permutations of size 2 are "aa", "ab" and "ba".
np_multiset(table(x), 2) # = 3