Rotate a vector

Rotates a vector cyclically to the right by k positions. Negative values of k rotate to the left.

Usage

vRot(x, k = 1L)

Arguments

x

a vector.

k

integer. Number of positions to rotate (default = 1).

Value

a vector of the same length as x, rotated cyclically.

Details

The rotation is cyclic, meaning elements shifted off one end reappear on the other.

See also

Other vector.reshape: setLength(), trim(), vShift()

Examples

vRot(1:5, 2)
#> [1] 4 5 1 2 3
# 4 5 1 2 3

vRot(1:5, -1)
#> [1] 2 3 4 5 1
# 2 3 4 5 1