问箱形图-分组数据- Python (仅已知频率)

EN

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
        # a custom dataframe
    
df = pd.DataFrame({'A': np.random.randint(1, 10, 5),
                           'B': np.random.randint(1, 10, 5)})
        # and your first column
df['E'] = pd.Series(['0-6', '7-13', '14-20', '21-27', '28-34'
                            ])
print(df)
df.boxplot(column=['A', 'B'], 
by='E',vert=True,showmeans=True,meanline=True,showfliers=False)
plt.show()