[R] How to save an object in a function
David Winsemius
dwinsemius at comcast.net
Sat Mar 19 08:06:54 CET 2016
> On Mar 18, 2016, at 11:18 PM, Prashobh Palakkeel <palakkeel at gmail.com> wrote:
>
> This is the code for permutations from the package "gtools"
>
> fn_perm_list <-
> function (n, r, v = 1:n)
> {
> if (r == 1)
> matrix(v, n, 1)
> else if (n == 1)
> matrix(v, 1, r)
> else {
> X <- NULL
> for (i in 1:n) X <- rbind(X, cbind(v[i], fn_perm_list(n - 1, r - 1,
> v[-i])))
> X
>
> }
>
> }
>
> How to save X as an object(matrix) while running the function
X <- fn_perm_list(n, r, v)
--
David Winsemius
Alameda, CA, USA
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