Count unique values numpy

number_list = numpy.array([1, 1, 2, 3, 4, 4, 1])
(unique, counts) = numpy.unique(number_list, return_counts=True)

Source: kite.com

Numpy array count frequency

import numpy as np

x = np.array([1,1,1,2,2,2,5,25,1,1])
unique, counts = np.unique(x, return_counts=True)

print np.asarray((unique, counts)).T

Source: stackoverflow.com

How to find unique values in numpy array

>>> a = np.array([[1, 0, 0], [1, 0, 0], [2, 3, 4]])
>>> np.unique(a, axis=0)
array([[1, 0, 0], [2, 3, 4]])

Source: numpy.org

How to find unique values in numpy array

>>> a = np.array(['a', 'b', 'b', 'c', 'a'])
>>> u, indices = np.unique(a, return_index=True)
>>> u
array(['a', 'b', 'c'], dtype='<U1')
>>> indices
array([0, 1, 3])
>>> a[indices]
array(['a', 'b', 'c'], dtype='<U1')

Source: numpy.org

Similar codes

0 vote397 views1 answer
How to create superuser in django heroku
Python Django
0 vote413 views2 answers
Python all option
Python
0 vote303 views2 answers
Business logic code where located in django rest framework
Python
0 vote336 views1 answer
Select features and label from df
Python
0 vote322 views1 answer
Set up splinter
Python
-1 vote337 views1 answer
Matrix python math
Python
15 votes358 views1 answer
Python pop element
Python
3 votes349 views2 answers
Python iterar diccionario
Python
12 votes354 views5 answers
Remove special characters from string in python
Python
0 vote370 views1 answer
Python open script in new terminal
Python