| aperm {base} | R Documentation |
Array Transposition
Description
Transpose an array by permuting its dimensions and optionally resizing it.
Usage
aperm(a, perm, resize = TRUE)
Arguments
a |
the array to be transposed. |
perm |
the subscript permutation vector. |
resize |
a flag indicating whether the vector should be resized
as well as having its elements reordered (default |
Value
A transposed version of array a, with subscripts permuted as
indicated by the array perm. If resize is TRUE,
the array is reshaped as well as having its elements permuted.
The function t provides a faster and more convenient way of
transposing matrices.
See Also
t.
Examples
# interchange the first two subscripts on a 3-way array x
x <- array(1:24, 2:4)
xt <- aperm(x, c(2,1,3))
stopifnot( t(xt[,,2]) == x[,,2] )