R Observatory: Metrics for copulaSQM version 0.1.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

copulaSQM

0.1.0Package record

Copula Based Stochastic Frontier Quantile Model

0packages depend

3Kdownloads / year

–test coverage

13/13flavors OK

Overview

About

Maintained by Woraphon YamakaCRAN page ↗

Provides estimation procedures for copula-based stochastic frontier quantile models for cross-sectional data. The package implements maximum likelihood estimation of quantile regression models allowing flexible dependence structures between error components through various copula families (e.g., Gaussian and Student-t). It enables estimation of conditional quantile effects, dependence parameters, log-likelihood values, and information criteria (AIC and BIC). The framework combines quantile regression methodology introduced by Koenker and Bassett (1978) doi:10.2307/1913643 with copula theory described in Joe (2014, ISBN:9781466583221). This approach allows modeling heterogeneous effects across quantiles while capturing nonlinear dependence structures between variables.

Install

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

install.packages("copulaSQM", 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-copulasqm

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled. We list this channel from recorded r2u download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

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-copulaSQM

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-copulaSQM

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed). We list this channel from recorded autoCRAN download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

Health

CRAN checks

13OK

CRAN check page ↗

Slowest check: 51 s · r-oldrel-windows-x86_64

Status changes

OK13 OK2026-08-05
NOTE12 OK, 1 NOTE2026-08-01
OK13 OK2026-05-11
WARNING12 OK, 1 WARNING2026-05-10
OK13 OK2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 0.1.0

READMEYes · 139 wordsVignettesNoNEWSNoCitation fileNoWebsitenot declared in DESCRIPTION

Help pages: 3
Examples that run: 33%1 run in a plain check · 2 only when donttest examples are enabled (R CMD check --as-cran)
Exported functions with examples: 100%
Documented parameters: 100%
Return-value docs: 100%
Help pages citing references: 100%

How these are measured

Downloads

3K

CRAN downloads in the past year

Rank #14,824 · ~8/day · ~249/mo

Releases R versions

Daily download trend is not available in this view yet.

29230 days

81290 days

3K1 year

Compare downloads with other packages →

Also on55 r2u2 autocran

How downloads are counted

Dependencies

Declared dependencies

2 external dependencies (excludes base and recommended)

Installing copulaSQM adds 4 packages (2 with compiled code, 1.4 MB of source tarballs). Heaviest: mvtnorm 1.0 MB, VineCopula 439 KB, ald 5.7 KB.

Depends (0)

none

Imports (5)

ald VineCopulastatsgraphicsMASS

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

How these are counted

Code & Tests

People & History

People (3)

Woraphon Yamaka

Author, Maintainer since 0.1.0 (2026)

Nuttaphong Kaewtathip

Author

Paravee Maneejuk

Author

Releases (1)

R
R 4.6.0 released · 2026-04-24
0.1.0Latest
record
2026-03-04 · current release
R
R 4.5.0 released · 2025-04-11

Package metadata

First published: 2026-03-04
Total releases: 1 / 1 yrs
License: GPL-3 OSI
Download size: 8.5 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("copulaSQM")

Format

Yamaka, W., Kaewtathip, N., & Maneejuk, P. (2026). copulaSQM: Copula Based Stochastic Frontier Quantile Model (Version 0.1.0) [Computer software]. https://doi.org/10.32614/CRAN.package.copulaSQM

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

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 copulaSQM version 0.1.0 [Data set]. HJJB, LLC. Data release v2026-10-22. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-22, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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