CRAN requires the check problems on this package to be fixed before 2026-08-02 or it will be archived.

GPArotation

2026.6-1

Gradient Projection Factor Rotation

46packages depend

1.7Mdownloads / year

51.1%test coverage

8/13checks pass

Overview

About

Maintained by Coen BernaardsFirst published 2005-01-2122 releasesCRAN page ↗

Gradient projection algorithms for orthogonal and oblique rotation of factor loadings matrices in factor analysis. Implements a comprehensive set of rotation criteria including quartimax, quartimin, oblimin, geomin, simplimax, the Crawford-Ferguson family, and target rotation, among others. Supports multiple random starts. For details see Bernaards and Jennrich (2005) doi:10.1177/0013164404272507.

Install

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

install.packages("GPArotation", 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-gparotation

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

# 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-GPArotation

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

Health

CRAN checks

5NOTE8OK

Failing flavors

NOTE r-devel-linux-x86_64-debian-clang
NOTE r-devel-linux-x86_64-debian-gcc
NOTE r-devel-linux-x86_64-fedora-clang
NOTE r-devel-linux-x86_64-fedora-gcc
NOTE r-devel-windows-x86_64

Slowest check: 24.9 min · r-oldrel-macos-x86_64

Code health

Yes

Tests · ratio 1.16

51.1%

Coverage · measured lines

100%

Documentation · exports

Dependencies · direct

Check history

NOTE2026-07-24
8 OK · 5 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-07-23
8 OK · 4 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
NOTE2026-07-16
11 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-05-03
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-05-02
12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE

Show 1 earlier snapshots

OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesYes · dynamicpkgdown siteNoNEWSYes · 0% structuredCode of conductNoContributing guideNo

Examples that run: 94%
Documented parameters: 87%
Return-value docs: 100%
References docs: 72%

Downloads

1.7M

CRAN downloads in the past year

Rank #267 · ~4.7K/day · ~142.5K/mo

Releases R versions

Daily download trend is not available in this view yet.

137.5K30 days

492.2K90 days

1.7M1 year

Compare downloads with other packages →

Also on6.1K r2u37 autocran13.3K conda_forge69 c2d4u

Dependencies

Declared dependencies

0 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.5.0

Imports (4)

statsgrDevicesgraphicsutils

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

46direct

339indirect

Code & Tests

People & History

People (3)

Maintainer (1)

Coen Bernaards

Author, Maintainer

Authors (3)

Coen Bernaards

Author, Maintainer

Paul Gilbert

Author · added in 2022.10-2

Robert Jennrich

Author

Package Timeline

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

2026.6-1Latest
2026-06-18 · current release · diff ↗
2026.4-1
2026-04-29 · diff ↗
R
R 4.6.0 released · 2026-04-24
2025.3-1
2025-04-12 · diff ↗
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R 4.5.0 released · 2025-04-11
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R 4.4.0 released · 2024-04-24
2024.3-1
2024-03-02 · diff ↗
2024.2-1
2024-02-04 · diff ↗
2023.11-1
2023-11-16 · diff ↗
2023.8-1
2023-08-21 · diff ↗
R
R 4.3.0 released · 2023-04-21
2023.3-1
2023-03-21 · diff ↗
2022.10-2
2022-10-22 · diff ↗
R
R 4.2.0 released · 2022-04-22
2022.4-1
2022-04-16 · diff ↗
R
R 4.1.0 released · 2021-05-18

Show 36 earlier events

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R 4.0.0 released · 2020-04-24
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R 3.6.0 released · 2019-04-26
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R 3.5.0 released · 2018-04-23
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R 3.4.0 released · 2017-04-21
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R 3.3.0 released · 2016-05-03
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R 3.2.0 released · 2015-04-16
2014.11-1
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R 3.1.0 released · 2014-04-10
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R 3.0.0 released · 2013-04-03
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R 2.15.0 released · 2012-03-30
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R 2.14.0 released · 2011-10-31
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R 2.13.0 released · 2011-04-13
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R 2.12.0 released · 2010-10-15
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R 2.11.0 released · 2010-04-22
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R 2.10.0 released · 2009-10-26
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R 2.9.0 released · 2009-04-17
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R 2.8.0 released · 2008-10-20
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R 2.7.0 released · 2008-04-22
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R 2.6.0 released · 2007-10-03
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R 2.5.0 released · 2007-04-24
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R 2.4.0 released · 2006-10-03
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R 2.3.0 released · 2006-04-24
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2006-02-03 · diff ↗
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R 2.2.0 released · 2005-10-06
2005.4-1
2005-04-27 · diff ↗
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R 2.1.0 released · 2005-04-18
2005.1-2
2005-02-02 · diff ↗
2005.1-1
2005-01-21
R
R 2.0.0 released · 2004-10-04

Package metadata

First published: 2005-01-21
Total releases: 22 / 21 yrs
License: GPL (>= 2) OSI
Minimum R: ≥ 3.5.0
Bundled data: 4.1 KB / 5 files
Download size: 485 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Appears in task views

Psychometric Models and Methods

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