matplotlib (积累ing)

from matplotlib import pyplot as plt
%matplotlib inline

# Document lengths.
lens = [len(doc) for doc in wmd_corpus]

# Plot.
plt.rc('figure', figsize=(8,6))
plt.rc('font', size=14)
plt.rc('lines', linewidth=2)
plt.rc('axes', color_cycle=('#377eb8','#e41a1c','#4daf4a',
                            '#984ea3','#ff7f00','#ffff33'))
# Histogram.
plt.hist(lens, bins=20)
plt.hold(True)
# Average length.
avg_len = sum(lens) / float(len(lens))
plt.axvline(avg_len, color='#e41a1c')
plt.hold(False)
plt.title('Histogram of document lengths.')
plt.xlabel('Length')
plt.text(100, 800, 'mean = %.2f' % avg_len)
plt.show()
图片.png

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