python / numpy / matplotlib:
numpy.histogram(),
numpy.histogram2d()
matplotlib.pyplot.bar(),
matplotlib.pyplot.pcolormesh()
siehe auch:
matplotlib.pyplot.hist() matplotlib.pyplot.hist2d()
Beispielscript Histogram.py
hist2d statistics: <x> = 10.0093 <y> = 19.9881
var_x = 4
var_y = 9.1
cov = 4.5, cor = 0.75