Informatics Practices
Given a data frame df1 as shown below :
| 1990 | 2000 | 2010 | |
|---|---|---|---|
| a | 52 | 340 | 890 |
| b | 64 | 480 | 560 |
| c | 78 | 688 | 1102 |
| d | 94 | 766 | 889 |
Write code to create a bar chart plotting the three columns of dataframe df1.
PyPlot
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Answer
import matplotlib.pyplot as plt
data = {'1990': [52, 64, 78, 94],
'2000': [340, 480, 688, 766],
'2010': [890, 560, 1102, 889]}
df1 = pd.DataFrame(data, index=['a', 'b', 'c', 'd'])
df1.plot(kind = 'bar')
plt.show()
Output
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