.. _api-barchart_demo: api example code: barchart_demo.py ================================== .. plot:: /home/tcaswell/src/p/matplotlib/doc/mpl_examples/api/barchart_demo.py :: """ ======== Barchart ======== A bar plot with errorbars and height labels on individual bars """ import numpy as np import matplotlib.pyplot as plt N = 5 men_means = (20, 35, 30, 35, 27) men_std = (2, 3, 4, 1, 2) ind = np.arange(N) # the x locations for the groups width = 0.35 # the width of the bars fig, ax = plt.subplots() rects1 = ax.bar(ind, men_means, width, color='r', yerr=men_std) women_means = (25, 32, 34, 20, 25) women_std = (3, 5, 2, 3, 3) rects2 = ax.bar(ind + width, women_means, width, color='y', yerr=women_std) # add some text for labels, title and axes ticks ax.set_ylabel('Scores') ax.set_title('Scores by group and gender') ax.set_xticks(ind + width / 2) ax.set_xticklabels(('G1', 'G2', 'G3', 'G4', 'G5')) ax.legend((rects1[0], rects2[0]), ('Men', 'Women')) def autolabel(rects): """ Attach a text label above each bar displaying its height """ for rect in rects: height = rect.get_height() ax.text(rect.get_x() + rect.get_width()/2., 1.05*height, '%d' % int(height), ha='center', va='bottom') autolabel(rects1) autolabel(rects2) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)