swapXY.density: Swaps x and y coordinates of a density object
Description
 Swaps x and y coordinates of a density object returned by density.
Usage
"swapXY"(object, ...)
Value
  Returns a 'density' object of the same class with
  elements 'x' and 'y' swapped.
See Also
  See density for estimating densities.
  See *draw() for plotting a density along one of the sides.