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NumPy unique Example Get unique values from a 1D Numpy array

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Outrageous Ostrich answered on June 20, 2021 Popularity 9/10 Helpfulness 4/10

answer NumPy unique Example Get unique values from a 1D Numpy array

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NumPy unique Example Get unique values from a 1D Numpy array

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# welcome to softhunt.net
import numpy as np

duplicates = np.array([2,3,3,4,5,5,1,5,4,6,7,5,1,5,3,5,1,3])

# GET UNIQUE VALUES
ans = np.unique(duplicates)
print(ans)

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Source: softhunt.net

Tags: get numpy python unique unique-values

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Contributed on Apr 27 2022

Outrageous Ostrich

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count unique values numpy

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

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Source: www.kite.com

Tags: numpy nump

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Contributed on Jun 20 2021

Real Raccoon

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how to find unique values in numpy array

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>>> a = np.array([1, 2, 6, 4, 2, 3, 2])
>>> values, counts = np.unique(a, return_counts=True)
>>> values
array([1, 2, 3, 4, 6])
>>> counts
array([1, 3, 1, 1, 1])
>>> np.repeat(values, counts)
array([1, 2, 2, 2, 3, 4, 6])    # original order not preserved

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Source: numpy.org

Tags: find

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Contributed on Aug 03 2021

Zalven

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how to find unique values in numpy array

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>>> a = np.array([1, 2, 6, 4, 2, 3, 2])
>>> u, indices = np.unique(a, return_inverse=True)
>>> u
array([1, 2, 3, 4, 6])
>>> indices
array([0, 1, 4, 3, 1, 2, 1])
>>> u[indices]
array([1, 2, 6, 4, 2, 3, 2])

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Source: numpy.org

Tags: find

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Contributed on Aug 03 2021

Zalven

0 Answers Avg Quality 2/10

NumPy unique Example Get the counts of each unique value

Comment

# welcome to softhunt.net
import numpy as np

duplicates = np.array([2,3,3,4,5,5,1,5,4,6,7,5,1,5,3,5,1,3])

# GET UNIQUE VALUES
ans = np.unique(duplicates, return_counts = True)
print(ans)

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Source: softhunt.net

Tags: each get g

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Contributed on Apr 27 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

NumPy unique Example Get the unique rows and columns

Comment

# welcome to softhunt.net
import numpy as np

# Creating 2D Array
duplicate_array_2d = np.array([[2,2,1],[4,5,5],[2,5,5]])

print('2D array:\n', duplicate_array_2d)

# GET UNIQUE ROWS
unique_rows  = np.unique(duplicate_array_2d, axis = 0)
print('Unique rows: \n', unique_rows)

# GET UNIQUE COLUMNS
unique_columns  = np.unique(duplicate_array_2d, axis = 1)
print('Unique columns: \n', unique_columns)

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Source: softhunt.net

Tags: get numpy nump

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Contributed on Apr 27 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

numpy array unique value counts

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-1

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

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Source: stackoverflow.com

Tags: array-unique array-uniq

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Contributed on Jul 13 2021

Charming Constrictor

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how to find unique values in numpy array

Comment

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

Popularity 9/10 Helpfulness 4/10 Language python

Source: numpy.org

Tags: find

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Contributed on Aug 03 2021

Zalven

0 Answers Avg Quality 2/10

NumPy unique Syntax

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numpy.unique(arr, return_index=False, return_inverse=False, return_counts=False, axis=None)

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Source: softhunt.net

Tags: numpy nump

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Contributed on Apr 27 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

how to find unique values in numpy array

Comment

>>> 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')

Popularity 9/10 Helpfulness 4/10 Language python

Source: numpy.org

Tags: find

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Contributed on Aug 03 2021

Zalven

0 Answers Avg Quality 2/10

NumPy unique Example Get unique values from a 1D Numpy array

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NumPy unique Example Get unique values from a 1D Numpy array

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how to find unique values in numpy array

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