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extraDistr (version 1.10.0)

Additional Univariate and Multivariate Distributions

Description

Density, distribution function, quantile function and random generation for a number of univariate and multivariate distributions. This package implements the following distributions: Bernoulli, beta-binomial, beta-negative binomial, beta prime, Bhattacharjee, Birnbaum-Saunders, bivariate normal, bivariate Poisson, categorical, Dirichlet, Dirichlet-multinomial, discrete gamma, discrete Laplace, discrete normal, discrete uniform, discrete Weibull, Frechet, gamma-Poisson, generalized extreme value, Gompertz, generalized Pareto, Gumbel, half-Cauchy, half-normal, half-t, Huber density, inverse chi-squared, inverse-gamma, Kumaraswamy, Laplace, location-scale t, logarithmic, Lomax, multivariate hypergeometric, multinomial, negative hypergeometric, non-standard beta, normal mixture, Poisson mixture, Pareto, power, reparametrized beta, Rayleigh, shifted Gompertz, Skellam, slash, triangular, truncated binomial, truncated normal, truncated Poisson, Tukey lambda, Wald, zero-inflated binomial, zero-inflated negative binomial, zero-inflated Poisson.

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install.packages('extraDistr')

Monthly Downloads

20,074

Version

1.10.0

License

GPL-2

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Last Published

November 30th, 2023

Functions in extraDistr (1.10.0)

Kumaraswamy

Kumaraswamy distribution
DiscreteGamma

Discrete gamma distribution
HalfT

Half-t distribution
Huber

"Huber density" distribution
Laplace

Laplace distribution
NormalMix

Mixture of normal distributions
InvGamma

Inverse-gamma distribution
MultiHypergeometric

Multivariate hypergeometric distribution
Gumbel

Gumbel distribution
Gompertz

Gompertz distribution
NegHyper

Negative hypergeometric distribution
Multinomial

Multinomial distribution
NSBeta

Non-standard beta distribution
InvChiSq

Inverse chi-squared and scaled chi-squared distributions
Lomax

Lomax distribution
Pareto

Pareto distribution
DiscreteNormal

Discrete normal distribution
PoissonMix

Mixture of Poisson distributions
LocationScaleT

Location-scale version of the t-distribution
Wald

Wald (inverse Gaussian) distribution
LogSeries

Logarithmic series distribution
HalfCauchy

Half-Cauchy distribution
DiscreteWeibull

Discrete Weibull distribution (type I)
ShiftGomp

Shifted Gompertz distribution
TruncBinom

Truncated binomial distribution
ZIB

Zero-inflated binomial distribution
Slash

Slash distribution
Triangular

Triangular distribution
TruncNormal

Truncated normal distribution
ZIP

Zero-inflated Poisson distribution
Rayleigh

Rayleigh distribution
ZINB

Zero-inflated negative binomial distribution
PowerDist

Power distribution
PropBeta

Beta distribution of proportions
extraDistr-package

extraDistr: Additional Univariate and Multivariate Distributions
HalfNormal

Half-normal distribution
TruncPoisson

Truncated Poisson distribution
Rademacher

Random generation from Rademacher distribution
TukeyLambda

Tukey lambda distribution
Skellam

Skellam distribution
Categorical

Categorical distribution
DirMnom

Dirichlet-multinomial (multivariate Polya) distribution
Bhattacharjee

Bhattacharjee distribution
BivNormal

Bivariate normal distribution
Bernoulli

Bernoulli distribution
BetaNegBinom

Beta-negative binomial distribution
BivPoiss

Bivariate Poisson distribution
BirnbaumSaunders

Birnbaum-Saunders (fatigue life) distribution
BetaPrime

Beta prime distribution
BetaBinom

Beta-binomial distribution
DiscreteUniform

Discrete uniform distribution
GPD

Generalized Pareto distribution
Dirichlet

Dirichlet distribution
Frechet

Frechet distribution
DiscreteLaplace

Discrete Laplace distribution
GEV

Generalized extreme value distribution
GammaPoiss

Gamma-Poisson distribution