code: def sarea_(self, col, x=None, y=None, rsum=None, rmean=None):
  		
  		try:
  			charts = self._multiseries(col, x, y, "area", rsum, rmean)
  			return hv.Area.stack(charts)
  		except Exception as e:
  			self.err(e, self.sarea_, "Can not draw stacked area chart")
docs: Get an stacked area chart