File: histogram.py

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pyx 0.9-4
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from pyx import *

d = graph.data.list([(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")