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Laplace distribution information


Laplace
Probability density function
Probability density plots of Laplace distributions
Cumulative distribution function
Cumulative distribution plots of Laplace distributions
Parameters location (real)
scale (real)
Support
PDF
CDF
Quantile
Mean
Median
Mode
Variance
MAD
Skewness
Excess kurtosis
Entropy
MGF
CF
Expected shortfall [1]

In probability theory and statistics, the Laplace distribution is a continuous probability distribution named after Pierre-Simon Laplace. It is also sometimes called the double exponential distribution, because it can be thought of as two exponential distributions (with an additional location parameter) spliced together along the abscissa, although the term is also sometimes used to refer to the Gumbel distribution. The difference between two independent identically distributed exponential random variables is governed by a Laplace distribution, as is a Brownian motion evaluated at an exponentially distributed random time[citation needed]. Increments of Laplace motion or a variance gamma process evaluated over the time scale also have a Laplace distribution.

  1. ^ a b Norton, Matthew; Khokhlov, Valentyn; Uryasev, Stan (2019). "Calculating CVaR and bPOE for common probability distributions with application to portfolio optimization and density estimation" (PDF). Annals of Operations Research. 299 (1–2). Springer: 1281–1315. doi:10.1007/s10479-019-03373-1. Retrieved 2023-02-27.

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log-Weibull distribution and the double exponential distribution (a term that is alternatively sometimes used to refer to the Laplace distribution). It is...

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application of exponential distribution to particle detector analysis. Laplace distribution, or the "double exponential distribution". Relationships among...

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List of probability distributions

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The Johnson SU distribution The Landau distribution The Laplace distribution The Lévy skew alpha-stable distribution or stable distribution is a family of...

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{\displaystyle X} follows log-Laplace distribution, i.e. the random variable ln ⁡ ( 1 + X ) {\displaystyle \ln(1+X)} follows Laplace distribution the p.d.f. f ( x...

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Expected shortfall

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X} follows log-Laplace distribution, i.e. the random variable ln ⁡ ( 1 + X ) {\displaystyle \ln(1+X)} follows the Laplace distribution the p.d.f. f (...

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Skewed generalized t distribution

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the student t distribution, the skewed Cauchy distribution, the Laplace distribution, the uniform distribution, the normal distribution, and the Cauchy...

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Weibull distribution

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where the kernel is either a Laplace distribution F ( x ; 1 , λ ) {\displaystyle F(x;1,\lambda )} or a Rayleigh distribution F ( x ; 2 , λ ) {\displaystyle...

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Double exponential distribution

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exponential distribution may refer to Laplace distribution, or bilateral exponential distribution, consisting of two exponential distributions glued together...

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Kurtosis

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are said to be leptokurtic. An example of a leptokurtic distribution is the Laplace distribution, which has tails that asymptotically approach zero more...

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Cauchy distribution

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the fundamental solution for the Laplace equation in the upper half-plane. It is one of the few stable distributions with a probability density function...

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Wrapped asymmetric Laplace distribution

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asymmetric Laplace distribution is a wrapped probability distribution that results from the "wrapping" of the asymmetric Laplace distribution around the...

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Screened Poisson equation

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identical to the probability density function of the multivariate Laplace distribution for two and three dimensions respectively. Yukawa interaction Kamrin...

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Generalized normal distribution

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symmetric distributions. It includes all normal and Laplace distributions, and as limiting cases it includes all continuous uniform distributions on bounded...

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Generalised hyperbolic distribution

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t-distribution, the Laplace distribution, the hyperbolic distribution, the normal-inverse Gaussian distribution and the variance-gamma distribution. X...

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Geometric stable distribution

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geometric stable distribution is also referred to as a Linnik distribution. The Laplace distribution and asymmetric Laplace distribution are special cases...

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Additive noise differential privacy mechanisms

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Introduced by Dwork et al., this mechanism adds noise drawn from a Laplace distribution: M L a p ( x , f , ϵ ) = f ( x ) + L a p ( μ = 0 , b = Δ f ϵ ) ,...

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Compound probability distribution

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a Laplace distribution. More generally, compounding a Gaussian (or normal) distribution with variance distributed according to a gamma distribution yields...

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Generalized beta distribution

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exponential, asymmetric log-Laplace, log-Laplace, power function, and the log-logistic. The beta family of distributions (B) is defined by: B ( y ; b...

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Normal distribution

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