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python-pandasHow to draw overlay data frame bar charts

import pandas as pd
import numpy as np
import matplotlib.pyplot as plt

a = {'a': np.random.normal(0,1,100), 'b' : np.random.normal(1,2,100)}
df = pd.DataFrame.from_dict(a)

plt.show()ctrl + c
import pandas as pd

load Pandas module

import numpy as np

load Numpy module for Python


generates 100 elements with 0 mean and 1 standard deviation


creates Pandas DataFrame object from given dict (a)


plots DataFrame overlay bars chart

import matplotlib.pyplot as plt

loads Matplotlib module to use plotting capabilities


renders plotted data


make bars semi-transparent