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import numpy as np
def gini(x):
mean = np.mean(x)
mad = np.mean(np.abs(x - mean))
rmad = mad/mean
return rmad/2
if __name__ == '__main__':
x = np.asarray([2, 2, 4, 4])
print(gini(x))
x = np.asarray([1, 1, 6, 4])
print(gini(x))
x = np.random.rand(500)
print(gini(x))
x = np.random.rand(500)+1
print(gini(x))
x = np.random.rand(500)+10
print(gini(x))
x = np.random.rand(500)+100
print(gini(x))
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