count values in numpy list python

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Cristina
06 Feb 2016
1>>> import numpy
2>>> y = np.array([1, 2, 2, 2, 2, 0, 2, 3, 3, 3, 2, 2])
3
4>>> numpy.count_nonzero(y == 1)
51
6>>> numpy.count_nonzero(y == 2)
77
8>>> numpy.count_nonzero(y == 3)
93
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