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subplex

1.9Package record

Unconstrained Optimization using the Subplex Algorithm

10packages dependsuggested by 6
113Kdownloads / year
100.0%test coverage
13/13flavors OK

Overview

About

The subplex algorithm for unconstrained optimization, developed by Tom Rowan.

Changes in 1.9
  • subplex now requires R version 4.1 or later.
  • The only changes are invisible to the user, allowing subplex to stay up to date with development of R.

From inst/NEWS.Rd in the release

Install

Health

CRAN checks
13OK
Slowest check: 2.5 min · r-devel-windows-x86_64
Status changes
  • OK13 OK2026-08-04
  • NOTE12 OK, 1 NOTE2026-08-01
  • OK14 OK2026-03-10
Advisories

none known

Documentation

In release 1.9
README· In the repository, left out of the releaseVignettesNoNEWSYes · mentions 1.9Citation fileNo
Help pages
2includes a package overview page
Examples that run
100%1 run in a plain check
Exported functions with examples
100%
Documented parameters
100%
Return-value docs
100%
Help pages citing references
100%

Downloads

113K
CRAN downloads in the past year
Rank #1,198 · ~310/day · ~9.4K/mo
Daily download trend is not available in this view yet.
11.9K30 days
27.4K90 days
113K1 year
Compare downloads with other packages →
Also on1.5K r2u1 autocran6.3K conda_forge201 c2d4u

Repository

11Stars
2Forks
0Open issues
0Open PRs
14Releases
132Commits
2Commit identities
numerical-optimizationrr-packagecranoptimization
License file reads as GPL-3.0 · 132 commits · Last activity 2026-03-23
Responsiveness
How these are sampled
PRs merged (all time)
not measured
Median days to close, 50 most recently updated closed issues
0
Median days to close, 50 most recently updated closed PRs
not measured

Stars over time

2025-08-23 · 112026-07-07 · 11
PracticesBeta

7 development-tooling and community-health practices detected across 5 families in the upstream repository

Checks run against github.com/kingaa/subplex on 2026-10-18.

Continuous integration (3)
GitHub ActionsR CMD check workflowTravis CI (config file)

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

Docs source (1)

GitHub Pages site last deployed 2024-07-05

Coverage (1)
Coverage reporting
Reproducibility and dev environment (1)
Makefile
Show all practicesHide 1 practice
CRAN release process (1)
revdep/
How this is detected·Detection ruleset v3 (2026-09-26)

Dependencies

Declared dependencies
1 external dependency (excludes base and recommended)

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

Depends (1)
R >= 4.1.0
Imports (0)
none
LinkingTo (0)
none
Suggests (1)
Enhances (0)
none
Reverse dependencies
10direct
33indirect
Depends 2 · Imports 8
Suggested by 6
Show all 16 packagesHide all 16 packages
Depends, Imports or LinkingTo, most downloaded first
Suggests, most downloaded first

People & History

People (2)
Author, Translator, Maintainer since 1.0-10 (2007)
Author
Listed in earlier versions (3)
Show 3 peopleHide 3 people
Rick Reeves
no longer listed · 1.0-10 to 1.0-11
King
no longer listed · 1.5-2 to 1.9
Rowan
no longer listed · 1.5-2 to 1.9
Releases (15)

Pick two releases to compare their code metrics.

  • R
    R 4.6.0 released · 2026-04-24
  • R
    R 4.5.0 released · 2025-04-11
  • 1.9Latest
    record
    2024-07-06 · current release · diff ↗
  • R
    R 4.4.0 released · 2024-04-24
  • R
    R 4.3.0 released · 2023-04-21
  • R
    R 4.2.0 released · 2022-04-22
  • 1.8
    record
    2022-04-12 · diff ↗
  • 1.7
    record
    2022-01-16 · diff ↗
  • R
    R 4.1.0 released · 2021-05-18
  • R
    R 4.0.0 released · 2020-04-24
  • 1.6
    record
    2020-02-23 · diff ↗
  • R
    R 3.6.0 released · 2019-04-26
  • R
    R 3.5.0 released · 2018-04-23
  • 1.5-4
    record
    2018-04-05 · diff ↗
  • 1.5-2
    record
    2018-02-11 · diff ↗
  • 1.4-1
    record
    2017-07-19 · diff ↗
Show 23 earlier eventsHide 23 earlier events
  • R
    R 3.4.0 released · 2017-04-21
  • 1.2-2
    record
    2016-11-19 · diff ↗
  • R
    R 3.3.0 released · 2016-05-03
  • 1.1-6
    record
    2015-07-11 · diff ↗
  • R
    R 3.2.0 released · 2015-04-16
  • 1.1-4
    record
    2014-06-30 · diff ↗
  • R
    R 3.1.0 released · 2014-04-10
  • R
    R 3.0.0 released · 2013-04-03
  • R
    R 2.15.0 released · 2012-03-30
  • R
    R 2.14.0 released · 2011-10-31
  • R
    R 2.13.0 released · 2011-04-13
  • R
    R 2.12.0 released · 2010-10-15
  • R
    R 2.11.0 released · 2010-04-22
  • R
    R 2.10.0 released · 2009-10-26
  • R
    R 2.9.0 released · 2009-04-17
  • R
    R 2.8.0 released · 2008-10-20
  • 1.1-3
    record
    2008-07-28 · diff ↗
  • 1.1-2
    record
    2008-06-25 · diff ↗
  • 1.1-1
    record
    2008-06-24 · diff ↗
  • 1.0-11
    record
    2008-05-19 · diff ↗
  • R
    R 2.7.0 released · 2008-04-22
  • 1.0-10
    record
    2007-12-05
  • R
    R 2.6.0 released · 2007-10-03

Package metadata

First published
2007-12-05
Total releases
15 / 19 yrs
License
GPL-3 OSI
Minimum R
≥ 4.1.0
Download size
29 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("subplex")
King, A. A., & Rowan, T. (2024). subplex: Unconstrained Optimization using the Subplex Algorithm (Version 1.9) [Computer software]. https://doi.org/10.32614/CRAN.package.subplex

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.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for subplex version 1.9 [Data set]. HJJB, LLC. Data release v2026-10-21. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-21, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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