#!/usr/bin/env python
# (C) 2000 Huaiyu Zhu <hzhu@users.sourceforge.net>. Licence: GPL
# $Id: test_sutils.py,v 1.4 2000/10/05 01:32:27 hzhu Exp $
"""
Testing statistics utilities: hist, histplot
"""
from MatPy.Stats.distribs import randn
from MatPy.Stats.utils import hist, histplot
from MatPy.gplot import wait
if __name__ == "__main__": waittime = None
else: waittime = 1
data = randn((300,1))
print "calculating data for histogram"
(nn, xx) = hist(data)
print nn.T
print xx.T
print "Default histogram"
g = histplot(data, waittime=waittime)
g.title("Default Histogram")
# Using replot here seems wrong - it tries to find original. Why?
# g.replot()
# But the hardcopy already contains title, even without replot.
g.hardcopy("hist_0.ps")
wait(waittime)
print "Scaled histogram"
histplot(data, waittime=waittime, g=g, scaled=1)
print "Histogram with spefied bins"
g.title("Histogram with Spefied Bins")
g = histplot(data, randn(20).T, waittime=waittime, g=g)
g.hardcopy("hist_1.ps")
Result obtained with
>>> from MatPy.tests import test_sutils
calculating data for histogram [ 2 6 23 39 58 61 66 31 12 1 ] [-2.7 -2.13 -1.56 -0.99 -0.42 0.15 0.72 1.29 1.86 2.43 ] Default histogram None Scaled histogram <MatPy.gplot.Gplot instance at 0x8186dfc> Histogram with spefied bins <MatPy.gplot.Gplot instance at 0x8186dfc>