Answers for "python count unique values in a matrix"

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

counting unique values python

df.loc[df['mID']=='A','hID'].agg(['nunique','count','size'])

Posted by: Guest on October-02-2020

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