"draw"(object, side=1, height=0.2, offset=0, scale=c("absolute", "relative"), xtrim=NULL, xpd=TRUE, ...)numeric scalar specifying the "height" of the curve,
   where height means the maximum height of the density.
   that is, how much the zero-density position should be shifted.character specifying the scale of the curve, which
   can be either absolute or relative.density for estimating densities.
  Internally *swapXY() may be used.