.. _pylab_examples-bar_stacked:

pylab_examples example code: bar_stacked.py
===========================================



.. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/bar_stacked.py

::

    # a stacked bar plot with errorbars
    import numpy as np
    import matplotlib.pyplot as plt
    
    
    N = 5
    menMeans = (20, 35, 30, 35, 27)
    womenMeans = (25, 32, 34, 20, 25)
    menStd = (2, 3, 4, 1, 2)
    womenStd = (3, 5, 2, 3, 3)
    ind = np.arange(N)    # the x locations for the groups
    width = 0.35       # the width of the bars: can also be len(x) sequence
    
    p1 = plt.bar(ind, menMeans, width, color='#d62728', yerr=menStd)
    p2 = plt.bar(ind, womenMeans, width,
                 bottom=menMeans, yerr=womenStd)
    
    plt.ylabel('Scores')
    plt.title('Scores by group and gender')
    plt.xticks(ind, ('G1', 'G2', 'G3', 'G4', 'G5'))
    plt.yticks(np.arange(0, 81, 10))
    plt.legend((p1[0], p2[0]), ('Men', 'Women'))
    
    plt.show()
    

Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)