| multichoose {iterpc} | R Documentation |
Calculate multinomial coefficient
Description
This function calculates the multinomial coefficient
\frac{(\sum n_j)!}{\prod n_j!}.
where n_j's are the number of multiplicities in the multiset.
Usage
multichoose(n, bigz = FALSE)
Arguments
n |
a vector of group sizes |
bigz |
use gmp's Big Interger |
Value
multinomial coefficient
Examples
# (3+1+1)!/ (3! 1! 1!) = 20
multichoose(c(3,1,1))
[Package iterpc version 0.4.2 Index]