ciplot(x, y, se, n=1, d, ywindow)
inrange(x, xlim)
plotcell(x, y, dat, code, n, sdbar=1, ylim, yadj)
somgrids(xdim, ydim, color, yadj=0.1, hexa, ntik, ylim)
somsum(obj)
som.par(obj)