Answers for "numpy array take average of every sequence"

3

np.array average row

>>> a = np.array([[1, 2], [3, 4]])
>>> np.mean(a)
2.5
>>> np.mean(a, axis=0)
array([2., 3.])
>>> np.mean(a, axis=1)
array([1.5, 3.5])
Posted by: Guest on December-01-2020
0

how to average only positive number in array numpy

a = [[1, 2, 3, -1, -2, -3, -4, -1, 1, 2, 1, 2, 3, 2, 5],
     [1, 2, 3, -1, -2, -3, -4, -1, 1, 2, 1, 2, 3, 2, 5],
     [1, 2, 3, -1, -2, -3, -4, -1, 1, 2, 1, 2, 3, 2, 5]]

b = np.array(a)

def avg(a):
    return a[a > 0].mean()

np.apply_along_axis(avg, 1, b)
Posted by: Guest on April-07-2020

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