Answers for "count number of unique elements in numpy array"

5

count unique values numpy

number_list = numpy.array([1, 1, 2, 3, 4, 4, 1])
(unique, counts) = numpy.unique(number_list, return_counts=True)
Posted by: Guest on June-20-2021
0

how to find unique values in numpy array

>>> np.unique([1, 1, 2, 2, 3, 3])
array([1, 2, 3])
>>> a = np.array([[1, 1], [2, 3]])
>>> np.unique(a)
array([1, 2, 3])
Posted by: Guest on August-03-2021

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