Learn R Programming

RelDists

In this package are available multiple useful distributions for reliability analysis. With this package it is possible to estimate parameters and fit regression models within GAMLSS framework.

Installation

To install the RelDists package, follow the instructions below:

# Installing from CRAN:
install.packages("RelDists")

# Or the development version from GitHub:
# install.packages("pak")
pak::pak("fhernanb/RelDists")

You can visit the package website to explore the vignettes (articles) and function reference.

Copy Link

Version

Install

install.packages('RelDists')

Monthly Downloads

213

Version

1.0.2

License

GPL-3

Maintainer

Freddy Hernandez

Last Published

September 7th, 2026

Functions in RelDists (1.0.2)

BS2

The Birnbaum-Saunders family - Santos-Neto et al. (2014)
BS7

The Birnbaum-Saunders family - Santos-Neto et al. (2012) (P5 Based on the variance)
CS2e

The Cosine Sine Exponential family
EEG

The Extended Exponential Geometric family
CJ2

The two-parameter Chris-Jerry distribution family
EGG

The four parameter Exponentiated Generalized Gamma family
BS10

The Birnbaum-Saunders family - Santos-Neto et al. (2012) (P8 Based on the first Tweedie)
EW

The Exponentiated Weibull family
BS8

The Birnbaum-Saunders family - Santos-Neto et al. (2012) (P6 Based on the variance 2)
ExW

The Extended Weibull family
EMWEx

The Exponentiated Modifien Weibull Extension family
EOFNH

The Extended Odd Frechet-Nadarajah-Haghighi family
GMW

The Generalized Modified Weibull family
GLIN

The Generalized Lindley Type II family
BS5

The Birnbaum-Saunders family - Santos-Neto et al. (2012) (P3 Based on GLM)
ExWALD

The Ex-Wald family
LIN

The Lindley family
GGD

The Generalized Gompertz family
QXGP

The Quasi XGamma Poisson family
WG

The Weibull Geometric family
PL

The Power Lindley family
LW

The Log-Weibull family
KumIW

The Kumaraswamy Inverse Weibull family
IW

The Inverse Weibull family
GIW

The Generalized Inverse Weibull family
WALD

The Wald family
EXL

The exponentiated XLindley family
GammaW

The Gamma Weibull family
WGEE

The Weigted Generalized Exponential-Exponential family
BS6

The Birnbaum-Saunders family - Santos-Neto et al. (2012) (P4 Based on the mean)
MOK

The Marshall-Olkin Kappa family
WP

The Weibull Poisson family
dBGE

The Beta Generalized Exponentiated distribution
IPXLIN

IPXLIN
OW

The Odd Weibull family
NEE

New Exponentiated Exponential family
dBS

The Birnbaum-Saunders distribution
dBS2

The Birnbaum-Saunders distribution - Santos-Neto et al. (2014)
MW

The Modified Weibull family
dBS3

The Birnbaum-Saunders distribution - Bourguignon & Gallardo (2022)
FWE

The Flexible Weibull Extension family
MOEIW

The Marshall-Olkin Extended Inverse Weibull family
GAo

The gamma family in its original parameterization
MOEW

The Marshall-Olkin Extended Weibull family
dBS10

The Birnbaum-Saunders distribution - Santos-Neto et al. (2012) (P8 Based on the first Tweedie)
dBS11

The Birnbaum-Saunders distribution - Santos-Neto et al. (2012) (P9 Based on the second Tweedie)
RW

The Reflected Weibull family
checklink

Set the Right Link Function for Specified Parameter and Distribution
dBS8

The Birnbaum-Saunders distribution - Santos-Neto et al. (2012) (P6 Based on the variance 2)
dCJ2

The two-parameter Chris-Jerry distribution
dCS2e

The Cosine Sine Exponential distribution
dEEG

The Extended Exponential Geometric distribution
dAddW

The Additive Weibull distribution
dBS4

The Birnbaum-Saunders distribution - Ahmed et al. (2008)
SZMW

The Sarhan and Zaindin's Modified Weibull family
dBS13

The Birnbaum-Saunders distribution - Santos-Neto et al. (2012) (P11 Based on the fourth Tweedie)
dBS12

The Birnbaum-Saunders distribution - Santos-Neto et al. (2012) (P10 Based on the third Tweedie)
dBS5

The Birnbaum-Saunders distribution - Santos-Neto et al. (2012) (P3 Based on GLM)
dBS6

The Birnbaum-Saunders distribution - Santos-Neto et al. (2012) (P4 Based on the mean)
dBS7

The Birnbaum-Saunders distribution - Santos-Neto et al. (2012) (P5 Based on the variance)
dGIW

The Generalized Inverse Weibull distribution
dGLIN

The Generalized Lindley Type II (GLIN) distribution
dEXL

The exponentiated XLindley distribution
dExW

The Extended Weibull distribution
dEOFNH

The Extended Odd Frechet-Nadarajah-Haghighi
dEW

The Exponentiated Weibull distribution
dIPXLIN

The Inverse Power XLindley distribution - Hassan et al. (2025)
dGammaW

The Gamma Weibull distribution
dLW

The Log-Weibull distribution
dGMW

The Generalized modified Weibull distribution
dGWF

Generalized Weibull distribution
dLIN

Lindley distribution
dFWE

The Flexible Weibull Extension distribution
dExWALD

The Ex-Wald distribution
dKumIW

The Kumaraswamy Inverse Weibull distribution
dIW

The Inverse Weibull distribution
dEGG

The four parameter Exponentiated Generalized Gamma distribution
dEMWEx

The Exponentiated Modified Weibull Extension distribution
dMOEIW

The Marshall-Olkin Extended Inverse Weibull distribution
dGGD

The Generalized Gompertz distribution
dGAo

The gamma distribution in its original parameterization
dMCWEI

The Modified Cosine-Weibull distribution (MCWEI)
dQXGP

The Quasi XGamma Poisson distribution
dOW

The Odd Weibull Distribution
dPL

The Power Lindley distribution
dRNMW

The Reduced New Modified Weibull distribution
den_exw

Auxiliar den_exw function for the Ex-Wald distribution
dSZMW

The Sarhan and Zaindin's Modified Weibull distribution
fitexw

Auxiliar function for the Ex-Wald distribution
equipment

Electronic equipment data
exwstpt

Auxiliar function for the Ex-Wald distribution
dRW

The Reflected Weibull distribution
dWP

The Weibull Poisson distribution
dWGEE

The Weighted Generalized Exponential-Exponential distribution
make.link.gamlss

Create a Link for GAMLSS families
dMOEW

The Marshall-Olkin Extended Weibull distribution
estim_mu_sigma_GLIN

estim_mu_sigma_GLIN
estim_mu_sigma_NEE

Initial values for NEE distribution
mice

Mice mortality data
initValuesFWE

initValuesFWE
dMOK

The Marshall-Olkin Kappa distribution
logLik_GLIN

logLik_GLIN
logLik_NEE

logLik function for NEE
dWALD

The Wald distribution
param.startOW

Initial values extraction for Odd Weibull distribution
dWG

The Weibull Geometric distribution
dMW

The Modified Weibull distribution
dNEE

The New Exponentiated Exponential distribution
pwald

Auxiliar pwald function for the Ex-Wald distribution
summary.initValOW

Summary of initValOW objects
rew

Auxiliar function to generate random values for Ex-Wald distribution
initValuesOW

Initial values and search region for Odd Weibull distribution
uandv

Auxiliar function for the Ex-Wald distribution
myOW_region

Custimized region search for odd Weibull distribution
negllexw

Auxiliar function to obtain minus loglik for Ex-Wald
wald_start

Initial values for WALD
BS3

The Birnbaum-Saunders family - Bourguignon & Gallardo (2022)
BS12

The Birnbaum-Saunders family - Santos-Neto et al. (2012) (P10 Based on the third Tweedie)
BS13

The Birnbaum-Saunders family - Santos-Neto et al. (2012) (P11 Based on the fourth Tweedie)
BS4

The Birnbaum-Saunders family - Ahmed et al. (2008)
BGE

The Beta Generalized Exponentiated family
BS

The Birnbaum-Saunders family
BS11

The Birnbaum-Saunders family - Santos-Neto et al. (2012) (P9 Based on the second Tweedie)
AddW

The Additive Weibull family