[R] spinning and flipping arrays
tlumley at u.washington.edu
Tue May 27 16:04:47 CEST 2003
On Mon, 26 May 2003, Bill Rising wrote:
> Hello people,
> Is there some simple way of spinning and/or flipping arrays in R?
> Here's what I mean.
I don't think there's a built-in solution.
I would try constructing the permutation of indices, probably using
aperm() to move the index of interest to first or last place, whichever is
This sort of thing might well be worth coding at least partly in C.
More information about the R-help