Skip to content

Instantly share code, notes, and snippets.

What would you like to do?
stacked bar
import numpy as np
import matplotlib.pyplot as plt
from itertools import cycle
from six.moves import zip
def stack_bar(ax, list_of_vals, color_cyle=None, **kwargs):
Generalized stacked bar graph.
kwargs are passed through to the call to `bar`
ax : matplotlib.axes.Axes
The axes to plot to
list_of_vals : iterable
An iterable of values to plot
color_cycle : iterable, optional
color_cycle is None, defaults
to `cycle(['r', 'g', 'b', 'k'])`
if color_cyle is None:
color_cyle = cycle(['r', 'g', 'b', 'k'])
color_cycle = cycle(color_cycle)
v0 = len(list_of_vals[0])
if any(v0 != len(v) for v in list_of_vals[1:]):
raise ValueError("All inputs must be the same length")
edges = np.arange(v0)
bottom = np.zeros(v0)
for v, c in zip(list_of_vals, color_cyle):, v, bottom=bottom, color=c, **kwargs)
bottom += np.asarray(v)
fig, ax = plt.subplots(1, 1)
values = [(20,35,30,35,27),(25,32,34,20,25),(3,4,5,6,7)]
stack_bar(ax, values, width=1)
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment