ExponentialDistribution Class

public sealed class ExponentialDistribution : ContinuousDistribution

Public NotInheritable Class ExponentialDistribution
	Inherits ContinuousDistribution

public ref class ExponentialDistribution sealed : public ContinuousDistribution

[<SealedAttribute>]
type ExponentialDistribution = 
    class
        inherit ContinuousDistribution
    end

Inheritance

Object    UnivariateDistribution    ContinuousDistribution    ExponentialDistribution

An exponential distribution falls off exponentially in the range from zero to infinity. It is a one-parameter distribution, determined entirely by its rate of fall-off.

The exponential distribution describes the distribution of decay times of radioactive particles.

An exponential distribution with mean one is called a standard exponential distribution. Any exponential distribution can be converted to a standard exponential by re-parameterizing the data into "fractions of the mean," i.e. z = x / μ.

Processes resulting in events that are exponentially distributed in time are said to be "ageless" because the hazard function of the exponential distribution is constant. The Weibull distribution (WeibullDistribution) is a generalization of the exponential distribution for which the hazard function changes (usually by increasing) with time.

Reference

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