numpy.random.beta(a, b, size=None)
Draw samples from a Beta distribution.
The Beta distribution is a special case of the Dirichlet distribution, and is related to the Gamma distribution. It has the probability distribution function
where the normalisation, B, is the beta function,
It is often seen in Bayesian inference and order statistics.
a : float or array_like of floats
b : float or array_like of floats
size : int or tuple of ints, optional
Output shape. If the given shape is, e.g.,
out : ndarray or scalar
Drawn samples from the parameterized beta distribution.
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