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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>.
| Version: | 2026.4-1 |
| Depends: | R (≥ 3.5.0) |
| Imports: | stats |
| Published: | 2026-04-29 |
| DOI: | 10.32614/CRAN.package.GPArotation |
| Author: | Coen Bernaards [aut, cre], Paul Gilbert [aut], Robert Jennrich [aut] |
| Maintainer: | Coen Bernaards <cab.gparotation at gmail.com> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| URL: | https://cran.r-project.org/package=GPArotation |
| NeedsCompilation: | no |
| Citation: | GPArotation citation info |
| Materials: | NEWS |
| In views: | Psychometrics |
| CRAN checks: | GPArotation results |
| Reference manual: | GPArotation.html , GPArotation.pdf |
| Vignettes: |
Gradient Projection Factor Rotation (source, R code) Assessing Local Minima in Factor Rotation (source, R code) Bifactor Rotation and Reliability Coefficients (source, R code) |
| Package source: | GPArotation_2026.4-1.tar.gz |
| Windows binaries: | r-devel: GPArotation_2026.4-1.zip, r-release: GPArotation_2026.4-1.zip, r-oldrel: GPArotation_2025.3-1.zip |
| macOS binaries: | r-release (arm64): GPArotation_2026.4-1.tgz, r-oldrel (arm64): GPArotation_2026.4-1.tgz, r-release (x86_64): GPArotation_2025.3-1.tgz, r-oldrel (x86_64): GPArotation_2025.3-1.tgz |
| Old sources: | GPArotation archive |
| Reverse depends: | brxx, esem, PCovR, REMLA |
| Reverse imports: | cdmTools, Compind, EFA.dimensions, EFAtools, EFAutilities, EGAnet, EMMAgeo, epca, fungible, GPArotateDF, jmv, kfa, lsirm12pl, mirt, MixLFA, MultBiplotR, multivarious, netCoin, psych, radiant.multivariate, RSP, ufs, whomds |
| Reverse suggests: | bruceR, ecostats, fad, FinTS, JWileymisc, parameters, performance, psycho, psychTools, REdaS, SignalY, sjPlot, TAM, umx |
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These binaries (installable software) and packages are in development.
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