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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

<title>Barchart — Matplotlib 2.0.2.post4416.dev0+g1df513f documentation</title>

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<h1>Barchart<a class="headerlink" href="#barchart" title="Permalink to this headline">¶</a></h1>

A bar plot with errorbars and height labels on individual bars

<div class="highlight-python"><div class="highlight"><pre>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 = <a href="../../api/_as_gen/matplotlib.pyplot.subplots.html#matplotlib.pyplot.subplots" title="View documentation for matplotlib.pyplot.subplots">plt.subplots</a>()

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)

<a href="../../api/_as_gen/matplotlib.pyplot.show.html#matplotlib.pyplot.show" title="View documentation for matplotlib.pyplot.show">plt.show</a>()

</pre></div>

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Total running time of the script: ( 0 minutes 0.053 seconds)

<a class="reference download internal" href="../../_downloads/barchart.py" download=""><code class="xref download docutils literal">Download Python source code: barchart.py</code></a></div>

<a class="reference download internal" href="../../_downloads/barchart.ipynb" download=""><code class="xref download docutils literal">Download Jupyter notebook: barchart.ipynb</code></a></div>

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