Collection

Unbound distributions

Cauchy([scale, shift])	Cauchy distribution.
DoubleGamma([shape, scale, shift])	Double gamma distribution.
DoubleWeibull([shape, scale, shift])	Double Weibull distribution.
GeneralizedExtreme([shape, scale, shift])	Generalized extreme value distribution.
HyperbolicSecant([scale, shift])	Hyperbolic secant distribution
Laplace([mu, sigma])	Laplace Probability Distribution
LogGamma([shape, scale, shift])	Log-gamma distribution
Logistic([skew, shift, scale])	Generalized logistic type 1 distribution Sech squared distribution
Normal([mu, sigma])	Normal (Gaussian) distribution
PowerNormal([shape, mu, sigma])	Power normal or Box-Cox distribution.
StudentT([df, mu, sigma])	(Non-central) Student-t distribution.

Partially bound distributions

Alpha([shape, scale, shift])	Alpha distribution.
Burr([alpha, kappa, scale, shift])	Burr Type XII or Singh-Maddala distribution.
Chi([df, scale, shift])	Chi distribution.
ChiSquared([df, nc, scale, shift])	(Non-central) Chi-squared distribution.
Maxwell([scale, shift])	Maxwell-Boltzmann distribution Chi distribution with 3 degrees of freedom
Exponential([scale, shift])	Exponential Probability Distribution
ExponentialPower([shape, scale, shift])	Exponential power distribution.
ExponentialWeibull([alpha, kappa, scale, shift])	Exponential Weibull distribution.
F([n, m, nc, shift, scale])	(Non-central) F or Fisher-Snedecor distribution.
Fisk([shape, scale, shift])	Fisk or Log-logistic distribution.
FoldedCauchy([shape, scale, shift])	Folded Cauchy distribution.
FoldedNormal([mu, scale, shift])	Folded normal distribution.
Frechet([shape, scale, shift])	Frechet or Extreme value distribution type 2.
Gamma([shape, scale, shift])	Gamma distribution.
GeneralizedExponential([a, b, c, scale, shift])	Generalized exponential distribution.
GeneralizedGamma(shape1, shape2[, scale, shift])	Generalized gamma distribution
GeneralizedHalfLogistic(shape[, scale, shift])	Generalized half-logistic distribution
Gompertz(shape[, scale, shift])	Gompertz distribution
InverseGamma(shape[, scale, shift])	Inverse-Gamma distribution.
Levy([scale, shift])	Levy distribution
LogLaplace([shape, scale, shift])	Log-laplace distribution
LogNormal([mu, sigma, shift, scale])	Log-normal distribution
LogWeibull([scale, shift])	Gumbel or Log-Weibull distribution.
Mielke([kappa, expo, scale, shift])	Mielke's beta-kappa distribution
Nakagami([shape, scale, shift])	Nakagami-m distribution.
Pareto1([shape, scale, shift])	Pareto type 1 distribution.
Pareto2([shape, scale, shift])	Pareto type 2 distribution.
PowerLogNormal([shape, mu, sigma, scale, shift])	Power log-normal distribution
Wald([mu, scale, shift])	Wald distribution.
Weibull([shape, scale, shift])	Weibull Distribution
WrappedCauchy([shape, scale, shift])	Wrapped Cauchy distribution

Bound distributions

Anglit([scale, shift])	Anglit distribution.
ArcSinus([shape, lower, upper])	Generalized Arc-sinus distribution
Beta(alpha, beta[, lower, upper])	Beta Probability Distribution.
Bradford([shape, lower, upper])	Bradford distribution.
FatigueLife([shape, scale, shift])	Fatigue-Life or Birmbaum-Sanders distribution
PowerLaw([shape, lower, upper])	Powerlaw distribution
Wigner([radius, shift])	Wigner (semi-circle) distribution
PERT(lower, mode, upper[, gamma])	Program Evaluation and Review Technique (PERT) Distribution.
Kumaraswamy(alpha, beta[, lower, upper])	Kumaraswamy's double bounded distribution
LogUniform([lower, upper, scale, shift])	Log-uniform distribution
Reciprocal(lower, upper[, shift, scale])	Reciprocal distribution.
Triangle([lower, midpoint, upper])	Triangle Distribution.
TruncExponential([upper, scale, shift])	Truncated exponential distribution.
TruncNormal([lower, upper, mu, sigma])	Truncated normal distribution
TukeyLambda([shape, scale, shift])	Tukey-lambda distribution.
Uniform([lower, upper])	Uniform probability distribution.

Multivariate distributions

MvLogNormal(mu, sigma[, rotation])	Multivariate Log-Normal Distribution.
MvNormal(mu[, sigma, rotation])	Multivariate Normal Distribution.
MvStudentT(df, mu[, sigma, rotation])	Multivariate Student-T Distribution.

Discrete distributions

Binomial(size, prob)	Binomial probability distribution.
DiscreteUniform(lower, upper)	Discrete uniform probability distribution.

Copulas

Clayton(dist[, theta])	Clayton Copula.
Gumbel(dist, theta)	Gumbel Copula.
Joe(dist[, theta])	Joe Copula.
Nataf(dist, covariance)	Nataf (normal) copula.
TCopula(dist, df, covariance)	T-Copula.