from pyx import * d = graph.data.points([(1, 0.3), (2, -0.7), (3, -0.3), (4, 0.8), (5, 0.5)], x=1, y=2) g = graph.graphxy(width=8) g.plot(d, [graph.style.histogram()]) g.writeEPSfile("histogram") g.writePDFfile("histogram")