xy_x(x)
xy_y(x)
xy_z(x)
xy_m(x)
Arguments
- x
An xy() vector
Value
Components of the xy() vector or NULL if the dimension is missing
Examples
x <- xyz(1:5, 6:10, 11:15)
xy_x(x)
#> [1] 1 2 3 4 5
xy_y(x)
#> [1] 6 7 8 9 10
xy_z(x)
#> [1] 11 12 13 14 15
xy_m(x)
#> NULL