Hi
I would like to plot a histogram with errorbars. I tried the obvious
way, by specifying dy values but that has unexpected results.
A quick google didn't yield anything promising ;(
The following script demonstrates my problem and my current work around.
import pyx
d = [1,2,3,4,5,6,7,8,9,10]
data = pyx.graph.data.values(x=d, y=d, dy=[2]*len(d), title="data")
g = pyx.graph.graphxy(width=8, key=pyx.graph.key.key())
g.plot(data, [pyx.graph.style.histogram()])
g.writePDFfile("pyx-test")
# work around
data = pyx.graph.data.values(x=d, y=d, title="data")
# empty title to suppres it appearing in the key
errors = pyx.graph.data.values(x=d, y=d, dy=[2]*len(d), title="")
g = pyx.graph.graphxy(width=8, key=pyx.graph.key.key())
g.plot(data, [pyx.graph.style.histogram()])
g.plot(errors, [pyx.graph.style.errorbar()])
g.writePDFfile("pyx-test")
All ideas welcome ;]]
tim
--
http://tim.jottit.com/
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