Module Distributions.Poisson

module Poisson: sig .. end

The Poisson distribution.

The probability distribution of a number of events occurring in a fixed interval if these events occur with a known average rate, and occur independently from each other within that interval.

type t = {

include Distributions.DiscreteDistribution

include Distributions.Features.S

val create : rate:float -> t

Creates a Poisson distribution. rate must be positive.

val mle : int array -> t

Creates a Poisson distribution with a MLE of parameters, estimated from given data.