In [12]:

    

import numpy as np
from scipy import stats


    

In [52]:

    

array = np.array([1, 1, 5, 0, 1, 2, 2, 0, 1, 4])


    

In [63]:

    

frequency = stats.itemfreq(array)
print(frequency)


    

    




[[0 2]
 [1 4]
 [2 2]
 [4 1]
 [5 1]]

In [16]:

    

xi = values[:, 0]
print(xi)


    

    




[0 1 2 4 5]

In [6]:

    

fi = values[:, 1]
print(fi)


    

    




[2 4 2 1 1]

In [7]:

    

%matplotlib notebook
import numpy as np
import matplotlib.pyplot as plt

x_pos = np.arange(len(xi))
plt.figure(1)
plt.bar(x_pos, fi,align='center')
plt.ylim(0, max(fi) + 0.5)
plt.xticks(np.arange(5), xi)
plt.xlabel("xi")
plt.ylabel("fi")


    

    















    












    
Out[7]:





<matplotlib.text.Text at 0x7fa144524828>

In [ ]: