class

Statistics::Distributions::Exponential

Inherits Statistics::Distributions::ContinuousDistribution < Statistics::Distributions::Distribution < Reference < Object

Represents the probability distribution of the time between events in a Poisson point process, i.e., a process in which events occur continuously and independently at a constant average rate.

See wikipedia for more details.

Constructors

new(lambda : Float64)

Creates an exponential distribution with a rate parameter lambda.

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Instance methods

pdf(x)

The Probability Density Function (PDF) of a continuous random variable.

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rand

Samples a random variable with the given distribution.

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