https://github.com/cran/pracma
Revision 26e049d70b4a1c237987e260cba68f6a9413736c authored by Hans W. Borchers on 09 April 2019, 04:10:07 UTC, committed by cran-robot on 09 April 2019, 04:10:07 UTC
1 parent bf07673
Tip revision: 26e049d70b4a1c237987e260cba68f6a9413736c authored by Hans W. Borchers on 09 April 2019, 04:10:07 UTC
version 2.2.5
version 2.2.5
Tip revision: 26e049d
nchoosek.R
##
## n c h o o s e k . R Binomial Coefficients
##
nchoosek <- function(n, k) {
stopifnot(is.numeric(n), length(n) == 1, n >= 0, floor(n) == ceiling(n),
is.numeric(k), length(k) == 1, k >= 0, floor(k) == ceiling(k))
if (k > n)
stop("Argument 'k' must be an integer between 0 and 'n'.")
choose(n, k)
}
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