R Observatory: Metrics for twopexp version 1.0.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

twopexp

1.0.0

The Two Parameter Exponential Distribution

0packages depend

1.7Kdownloads / year

79.2%test coverage

13/13checks pass

Overview

About

Maintained by Atchanut RattanalertnusornFirst published 2023-06-132 releasesCRAN page ↗

Density, distribution function, quantile function, and random generation function, maximum likelihood estimation (MLE), penalized maximum likelihood estimation (PMLE), the quartiles method estimation (QM), and median rank estimation (MEDRANK) for the two-parameter exponential distribution. MLE and PMLE are based on Mengjie Zheng (2013)https://scse.d.umn.edu/sites/scse.d.umn.edu/files/mengjie-thesis_masters-1.pdf. QM is based on Entisar Elgmati and Nadia Gregni (2016)doi:10.5539/ijsp.v5n5p12. MEDRANK is based on Matthew Reid (2022)doi:10.5281/ZENODO.3938000. In addition, the functions for computing the Kolmogorov-Smirnov (D) statistic, the Cramér-von Mises statistic, and the Anderson–Darling statistic are provided.

Install

R (CRAN)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("twopexp", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-twopexp

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-twopexp

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-twopexp

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

13OK

Slowest check: 49 s · r-oldrel-windows-x86_64

Code health

Yes

Tests · ratio 0.14

79.2%

Coverage · measured lines

100%

Documentation · exports

2

Dependencies · direct

Check history

OK2026-08-04
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-08-01
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-06-09
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-06-08
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesNopkgdown siteNoNEWSNoCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 96%
Return-value docs: 100%
References docs: 27%

Downloads

1.7K

CRAN downloads in the past year

Rank #22,964 · ~5/day · ~145/mo

Releases R versions

Daily download trend is not available in this view yet.

13130 days

44490 days

1.7K1 year

Compare downloads with other packages →

Also on96 r2u8 autocran

Dependencies

Declared dependencies

1 external dependency (excludes base and recommended)

Depends (1)

R >= 2.10

Imports (2)

graphicsstats

LinkingTo (0)

none

Suggests (1)

testthat

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

People & History

People (1)

Maintainer (1)

Atchanut Rattanalertnusorn

Author, Maintainer

Authors (1)

Atchanut Rattanalertnusorn

Author, Maintainer

Package Timeline

2 releases. Pick two to compare their code metrics. R releases are shown for context.

1.0.0Latest
2026-07-17 · current release · diff ↗
R
R 4.6.0 released · 2026-04-24
0.1.0
2026-03-10
R
R 4.5.0 released · 2025-04-11

Package metadata

First published: 2023-06-13
Total releases: 2 / 3 yrs
License: GPL-3 OSI
Minimum R: ≥ 2.10
Download size: 38 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("twopexp")

Format

Rattanalertnusorn, A. (2026). twopexp: The Two Parameter Exponential Distribution (Version 1.0.0) [Computer software]. https://doi.org/10.32614/CRAN.package.twopexp

This is what citation() produces when a package has no citation file of its own. If it prints something else, use that.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for twopexp version 1.0.0 [Data set]. HJJB, LLC. Data release v2026-08-10. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-10, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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