Multiple histograms in Pandas

Question

I would like to create the following histogram (see image below) taken from the book \"Think Stats\". However, I cannot get them on the same plot. Each DataFrame takes its o

Answer 1

From the pandas website (http://pandas.pydata.org/pandas-docs/stable/visualization.html#visualization-hist):

df4 = pd.DataFrame({'a': np.random.randn(1000) + 1, 'b': np.random.randn(1000),
                    'c': np.random.randn(1000) - 1}, columns=['a', 'b', 'c'])

plt.figure();

df4.plot(kind='hist', alpha=0.5)