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extraDistr (version 1.8.7)

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, logarithmic, Lomax, multivariate hypergeometric, multinomial, negative hypergeometric, non-standard t, 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

install.packages('extraDistr')

Monthly Downloads

22,483

Version

1.8.7

License

GPL-2

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Maintainer

Tymoteusz Wolodzko

Last Published

September 22nd, 2017

Functions in extraDistr (1.8.7)

Bernoulli

Bernoulli distribution
BetaBinom

Beta-binomial distribution
DiscreteLaplace

Discrete Laplace distribution
DiscreteNormal

Discrete normal distribution
Lomax

Lomax distribution
MultiHypergeometric

Multivariate hypergeometric distribution
PowerDist

Power distribution
PropBeta

Beta distribution of proportions
BetaNegBinom

Beta-negative binomial distribution
BetaPrime

Beta prime distribution
DiscreteUniform

Discrete uniform distribution
DiscreteWeibull

Discrete Weibull distribution (type I)
InvChiSq

Inverse chi-squared and scaled chi-squared distributions
InvGamma

Inverse-gamma distribution
Pareto

Pareto distribution
PoissonMix

Mixture of Poisson distributions
TruncBinom

Truncated binomial distribution
TruncNormal

Truncated normal distribution
TruncPoisson

Truncated Poisson distribution
Categorical

Categorical distribution
TuckeyLambda

Tuckey lambda distribution
DirMnom

Dirichlet-multinomial (multivariate Polya) distribution
Multinomial

Multinomial distribution
NSBeta

Non-standard beta distribution
Slash

Slash distribution
Triangular

Triangular distribution
ZINB

Zero-inflated negative binomial distribution
ZIP

Zero-inflated Poisson distribution
Dirichlet

Dirichlet distribution
DiscreteGamma

Discrete gamma distribution
Kumaraswamy

Kumaraswamy distribution
Laplace

Laplace distribution
ShiftGomp

Shifted Gompertz distribution
Skellam

Skellam distribution
HalfCauchy

Half-Cauchy distribution
HalfNormal

Half-normal distribution
Wald

Wald (inverse Gaussian) distribution
ZIB

Zero-inflated binomial distribution
BivNormal

Bivariate normal distribution
BivPoiss

Bivariate Poisson distribution
Frechet

Frechet distribution
GEV

Generalized extreme value distribution
Gompertz

Gompertz distribution
Gumbel

Gumbel distribution
extraDistr-deprecated

Deprecated functions
extraDistr

Additional univariate and multivariate distributions
Bhattacharjee

Bhattacharjee distribution
BirnbaumSaunders

Birnbaum-Saunders (fatigue life) distribution
HalfT

Half-t distribution
Huber

"Huber density" distribution
NegHyper

Negative hypergeometric distribution
NormalMix

Mixture of normal distributions
Rademacher

Random generation from Rademacher distribution
Rayleigh

Rayleigh distribution
LocationScaleT

Location-scale version of the t-distribution
LogSeries

Logarithmic series distribution
GPD

Generalized Pareto distribution
GammaPoiss

Gamma-Poisson distribution