Package: distionary 0.1.1

Vincenzo Coia

distionary: Create and Evaluate Probability Distributions

Create and evaluate probability distribution objects from a variety of families or define custom distributions. Automatically compute distributional properties, even when they have not been specified. This package supports statistical modeling and simulations, and forms the core of the probaverse suite of R packages.

Authors:Vincenzo Coia [aut, cre, cph], Amogh Joshi [ctb], Shuyi Tan [ctb], Zhipeng Zhu [ctb], olivroy [ctb]

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manual.pdf |manual.html✨
card.svg |card.png
distionary/json (API)
NEWS

# Install 'distionary' in R:
install.packages('distionary', repos = c('https://packages.ropensci.org', 'https://cloud.r-project.org'))

Reviews:rOpenSci Software Review #688

Bug tracker:https://github.com/probaverse/distionary/issues

Pkgdown/docs site:https://distionary.probaverse.com

On CRAN:

Conda:

distributions

8.20 score 8 stars 3 packages 41 scripts 520 downloads 66 exports 7 dependencies

Last updated from:02a7b9254f (on main). Checks:10 OK. Indexed: yes.

TargetResultTimeFilesSyslog
linux-devel-x86_64OK162
pkgdown docsOK168
source / vignettesOK197
linux-release-x86_64OK151
macos-release-arm64OK105
macos-oldrel-arm64OK83
windows-develOK127
windows-releaseOK114
windows-oldrelOK129
wasm-releaseOK112

Exports:dgevdgpdistributiondst_berndst_betadst_binomdst_cauchydst_chisqdst_degeneratedst_empiricaldst_expdst_fdst_finitedst_gammadst_geomdst_gevdst_gpdst_hyperdst_lnormdst_lp3dst_nbinomdst_normdst_nulldst_pearson3dst_poisdst_tdst_unifdst_weibullenframe_cdfenframe_chfenframe_densityenframe_hazardenframe_oddsenframe_pmfenframe_quantileenframe_returnenframe_survivaleval_cdfeval_chfeval_densityeval_hazardeval_oddseval_pmfeval_propertyeval_quantileeval_returneval_survivalis_distributionis.distributionkurtosiskurtosis_excparametersparameters<-pgevpgppretty_nameprob_leftprob_rightqgevqgprealiserealizeskewnessstdevvariancevtype

Dependencies:backportscheckmatecligluelifecyclerlangvctrs

Built-In Distributions

Rendered fromspecify-built-in.Rmdusingknitr::rmarkdownon May 29 2026.

Last update: 2025-11-07
Started: 2025-11-07

Evaluate a Distribution

Rendered fromevaluate.Rmdusingknitr::rmarkdownon May 29 2026.

Last update: 2025-11-07
Started: 2021-11-12

Pseudocode

Rendered frompseudocode.Rmdusingknitr::rmarkdownon May 29 2026.

Last update: 2025-11-27
Started: 2025-11-27

Specifying Your Own Distribution

Rendered fromspecify-user-defined.Rmdusingknitr::rmarkdownon May 29 2026.

Last update: 2025-11-07
Started: 2025-11-07

Readme and manuals

Help Manual

Help pageTopics
distionary: Create and Evaluate Probability Distributionsdistionary-package distionary
Build a Distribution Objectdistribution is.distribution is_distribution
Bernoulli Distributiondst_bern
Beta Distributiondst_beta
Binomial Distributiondst_binom
Cauchy Distributiondst_cauchy
Chi-Squared Distributiondst_chisq
Degenerate Distributiondst_degenerate
Empirical Distributiondst_empirical
Exponential Distributiondst_exp
F Distributiondst_f
Finite Distributiondst_finite
Gamma Distributiondst_gamma
Geometric Distributiondst_geom
Generalised Extreme Value Distributiondst_gev
Generalised Pareto Distributiondst_gp
Hypergeometric Distributiondst_hyper
Log Normal Distributiondst_lnorm
Log Pearson Type III distributiondst_lp3
Negative binomial Distributiondst_nbinom
Normal (Gaussian) Distributiondst_norm
Null Distributiondst_null
Pearson Type III distributiondst_pearson3
Poisson Distributiondst_pois
Student t Distributiondst_t
Uniform Distributiondst_unif
Weibull Distributiondst_weibull
Cumulative Distribution Functionenframe_cdf eval_cdf
Cumulative Hazard Functionenframe_chf eval_chf
Probability Density Functionenframe_density eval_density
Hazard Functionenframe_hazard eval_hazard
Odds Functionenframe_odds eval_odds
Probability Mass Functionenframe_pmf eval_pmf
Evaluate a distributioneval_property
Distribution Quantilesenframe_quantile eval_quantile
Return Level Functionenframe_return eval_return
Survival Functionenframe_survival eval_survival
Moments of a Distributionkurtosis kurtosis_exc mean.dst skewness stdev variance
Median of a Distributionmedian.dst
Parameters of a Distributionparameters parameters<-
Representations of the Generalized Extreme Value Distributiondgev pgev qgev
Representations of the Generalized Pareto Distributiondgp pgp qgp
Plot a Distributionplot.dst
Distribution namepretty_name
Find the probability left or right of a numberprob_left prob_right
Range of Distributionrange.dst
Generate a Sample from a Distributionrealise realize
Variable Type of a Distributionvtype