R Observatory: Metrics for gslnls version 1.4.2

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

gslnls

1.4.2Package record

GSL Multi-Start Nonlinear Least-Squares Fitting

4packages dependsuggested by 1

7.6Kdownloads / year

94.1%test coverage

13/13flavors OK

Overview

About

Maintained by Joris ChauCRAN page ↗GitHub ↗Issues ↗

An R interface to weighted nonlinear least-squares optimization with the GNU Scientific Library (GSL), see M. Galassi et al. (2009, ISBN:0954612078). The available trust region methods include the Levenberg-Marquardt algorithm with and without geodesic acceleration, the Steihaug-Toint conjugate gradient algorithm for large systems and several variants of Powell's dogleg algorithm. Multi-start optimization based on quasi-random samples is implemented using a modified version of the algorithm in Hickernell and Yuan (1997, OR Transactions). Robust nonlinear regression can be performed using various robust loss functions, in which case the optimization problem is solved by iterative reweighted least squares (IRLS). Bindings are provided to tune a number of parameters affecting the low-level aspects of the trust region algorithms. The interface mimics R's nls() function and returns model objects inheriting from the same class.

Changes in 1.4.2

confint(), summary() and other methods no longer fail in case of a singular gradient
Fixed bug: missing confidence/prediction intervals in predict() for multi-start gsl_nls() call with fn defined as a function in combination with newdata.

From NEWS.md in the release

Install

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

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

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

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("JorisChau/gslnls")

Development version from JorisChau/gslnls. Installs pak first if it is not already available.

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-gslnls

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-gslnls

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-gslnls

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: 3.4 min · r-devel-windows-x86_64

Status changes

OK13 OK2026-08-05
NOTE12 OK, 1 NOTE2026-08-01
OK14 OK2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 1.4.2

README· In the repository, left out of the releaseVignettesNoNEWSYes · 100% structured · mentions 1.4.2Citation fileNoWebsitenot declared in DESCRIPTION

Help pages: 24
Examples that run: 100%23 run in a plain check
Exported functions with examples: 86%
Documented parameters: 92%
Return-value docs: 100%
Help pages citing references: 25%

How these are measured

Downloads

7.6K

CRAN downloads in the past year

Rank #4,714 · ~21/day · ~635/mo

Releases R versions

Daily download trend is not available in this view yet.

65730 days

1.8K90 days

7.6K1 year

Compare downloads with other packages →

Also on428 r2u8 autocran86 c2d4u

How downloads are counted

Repository

jorischau/gslnls ↗Account: JorisChau

17Stars

2Forks

0Open issues

0Open PRs

8Releases

141Commits

1Commit identities

gnu-scientific-librarygsllevenberg-marquardtmulti-startnonlinear-least-squaresnonlinear-regressionrr-package

141 commits · Last activity 2025-09-28 · 0% stars, 30d

Responsiveness

How these are sampled

PRs merged (all time): not measured
Median days to close, 50 most recently updated closed issues: 61
Median days to close, 50 most recently updated closed PRs: not measured

Stars over time

2025-10-15 · 172026-07-07 · 17

How these are measured

PracticesBeta

6 development-tooling and community-health practices detected across 4 families in the upstream repository

Checks run against github.com/jorischau/gslnls on 2026-10-22.

Continuous integration (2)

GitHub ActionsR CMD check workflow

The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel

Reproducibility and dev environment (2)

MakefileDockerfile

CRAN release process (1)

cran-comments.md

Lint, format, editor (1)

RStudio project

How this is detected·Detection ruleset v4 (2026-10-20)

Dependencies

Declared dependencies

0 external dependencies (excludes base and recommended)

Installing gslnls adds no packages beyond those that come with R.

Depends (1)

R >= 3.5

Imports (2)

statsMatrix

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

4direct

0indirect

Imports 4

Suggested by 1

Depends, Imports or LinkingTo, most downloaded first

germinationmetrics CompositionalSR predmicror rpcss

Suggests, most downloaded first

fitnmr

How these are counted

Code & Tests

People & History

People (1)

Joris Chau

Author, Maintainer since 1.0.0 (2021)

Releases (12)

Pick two releases to compare their code metrics.

R
R 4.6.0 released · 2026-04-24
1.4.2Latest
record
2025-09-28 · current release · diff ↗
R
R 4.5.0 released · 2025-04-11
1.4.1
record
2025-01-17 · diff ↗
1.4.0
record
2025-01-16 · diff ↗ ·
added 1 export
gsl_nls_loss
1.3.2
record
2024-05-01 · diff ↗
1.3.0
record
2024-04-24 · diff ↗
R
R 4.4.0 released · 2024-04-24
1.2.0
record
2023-12-11 · diff ↗ ·
added 2 exports
nls_test_list, nls_test_problem
R
R 4.3.0 released · 2023-04-21
1.1.2
record
2023-01-17 · diff ↗
R
R 4.2.0 released · 2022-04-22
1.1.1
record
2021-12-13 · diff ↗
1.1.0
record
2021-11-26 · diff ↗ ·
added 1 export
gsl_nls_large
1.0.2
record
2021-10-13 · diff ↗
1.0.1
record
2021-10-11 · diff ↗

Show 2 earlier eventsHide 2 earlier events

1.0.0
record
2021-10-07
R
R 4.1.0 released · 2021-05-18

Package metadata

First published: 2021-10-07
Total releases: 12 / 5 yrs
License: LGPL-3 OSI · relicensed from GPL-3 in 1.2.0
Minimum R: ≥ 3.5
Download size: 152 KB

Appears in task views

Optimization and Mathematical Programming

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("gslnls")

Format

Chau, J. (2025). gslnls: GSL Multi-Start Nonlinear Least-Squares Fitting (Version 1.4.2) [Computer software]. https://doi.org/10.32614/CRAN.package.gslnls

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 gslnls version 1.4.2 [Data set]. HJJB, LLC. Data release v2026-10-25. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-25, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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