awips2/pythonPackages/matplotlib/examples/pylab_examples/errorbar_demo.py
root 06a8b51d6d Initial revision of AWIPS2 11.9.0-7p5
Former-commit-id: 64fa9254b946eae7e61bbc3f513b7c3696c4f54f
2012-01-06 08:55:05 -06:00

46 lines
965 B
Python
Executable file

#!/usr/bin/env python
from pylab import *
t = arange(0.1, 4, 0.1)
s = exp(-t)
e = 0.1*abs(randn(len(s)))
f = 0.1*abs(randn(len(s)))
g = 2*e
h = 2*f
figure()
errorbar(t, s, e, fmt='o') # vertical symmetric
figure()
errorbar(t, s, None, f, fmt='o') # horizontal symmetric
figure()
errorbar(t, s, e, f, fmt='o') # both symmetric
figure()
errorbar(t, s, [e,g], [f,h], fmt='--o') # both asymmetric
figure()
errorbar(t, s, [e,g], f, fmt='o', ecolor='g') # both mixed
figure()
errorbar(t, s, e, [f,h], fmt='o') # both mixed
figure()
errorbar(t, s, [e,g], fmt='o') # vertical asymmetric
figure()
errorbar(t, s, yerr=e, fmt='o') # named
figure()
errorbar(t, s, xerr=f, fmt='o') # named
xlabel('Distance (m)')
ylabel('Height (m)')
title('Mean and standard error as a function of distance')
figure()
ax = subplot(111)
ax.set_yscale('log')
errorbar(t, s+2, e, f, fmt='o') # both symmetric
show()