Learn R Programming

⚠️There's a newer version (1.10.0) of this package.Take me there.

extraDistr (version 1.9.1)

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.

Copy Link

Version

Install

install.packages('extraDistr')

Monthly Downloads

20,074

Version

1.9.1

License

GPL-2

Issues

Pull Requests

Stars

Forks

Last Published

September 7th, 2020

Functions in extraDistr (1.9.1)

Bernoulli

Bernoulli distribution
DirMnom

Dirichlet-multinomial (multivariate Polya) distribution
Categorical

Categorical distribution
BetaBinom

Beta-binomial distribution
Bhattacharjee

Bhattacharjee distribution
BetaPrime

Beta prime distribution
BirnbaumSaunders

Birnbaum-Saunders (fatigue life) distribution
BivNormal

Bivariate normal distribution
BetaNegBinom

Beta-negative binomial distribution
BivPoiss

Bivariate Poisson distribution
DiscreteLaplace

Discrete Laplace distribution
Frechet

Frechet distribution
Gompertz

Gompertz distribution
GPD

Generalized Pareto distribution
InvGamma

Inverse-gamma distribution
Gumbel

Gumbel distribution
InvChiSq

Inverse chi-squared and scaled chi-squared distributions
GammaPoiss

Gamma-Poisson distribution
HalfT

Half-t distribution
Huber

"Huber density" distribution
LocationScaleT

Location-scale version of the t-distribution
GEV

Generalized extreme value distribution
DiscreteUniform

Discrete uniform distribution
DiscreteWeibull

Discrete Weibull distribution (type I)
DiscreteNormal

Discrete normal distribution
Pareto

Pareto distribution
Dirichlet

Dirichlet distribution
HalfCauchy

Half-Cauchy distribution
PoissonMix

Mixture of Poisson distributions
Laplace

Laplace distribution
DiscreteGamma

Discrete gamma distribution
Kumaraswamy

Kumaraswamy distribution
Rayleigh

Rayleigh distribution
NegHyper

Negative hypergeometric distribution
Multinomial

Multinomial distribution
LogSeries

Logarithmic series distribution
Rademacher

Random generation from Rademacher distribution
ShiftGomp

Shifted Gompertz distribution
Skellam

Skellam distribution
HalfNormal

Half-normal distribution
NormalMix

Mixture of normal distributions
PowerDist

Power distribution
ZINB

Zero-inflated negative binomial distribution
PropBeta

Beta distribution of proportions
Wald

Wald (inverse Gaussian) distribution
Slash

Slash distribution
Triangular

Triangular distribution
NSBeta

Non-standard beta distribution
Lomax

Lomax distribution
TruncBinom

Truncated binomial distribution
ZIP

Zero-inflated Poisson distribution
MultiHypergeometric

Multivariate hypergeometric distribution
ZIB

Zero-inflated binomial distribution
TruncNormal

Truncated normal distribution
extraDistr

Additional univariate and multivariate distributions
TukeyLambda

Tukey lambda distribution
TruncPoisson

Truncated Poisson distribution