aesara.tensor.random.poisson

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aesara.tensor.random.poisson#

aesara.tensor.random.poisson = <aesara.tensor.random.basic.PoissonRV object>[source]#

A poisson discrete random variable.

The probability mass function for poisson in terms of the expected number of events \lambda is:

f(k; \lambda) = \frac{\lambda^k e^{-\lambda}}{k!}

for \lambda > 0.