Gradient Projection Factor Rotation

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Documentation for package ‘GPArotation’ version 2026.4-1

• DESCRIPTION file
• User guides, package vignettes and other documentation
• Package NEWS

Help Pages

GPArotation-package	Gradient Projection Algorithms for Factor Rotation
.GPA_RS_engine	Core Algorithms and Random-Start Wrappers
.sortGPALoadings	Print and Summary Methods for GPArotation Class Objects
bentlerQ	Rotations Functions Using Gradient Projection Algorithms
bentlerT	Rotations Functions Using Gradient Projection Algorithms
bifactorQ	Rotations Functions Using Gradient Projection Algorithms
bifactorT	Rotations Functions Using Gradient Projection Algorithms
bigeominQ	Rotations Functions Using Gradient Projection Algorithms
bigeominT	Rotations Functions Using Gradient Projection Algorithms
box20	Thurstone Box Data
box26	Thurstone Box Data
CCAI	The CCAI Climate-Friendly Purchasing Choices Domain
CCAI_pattern	The CCAI Climate-Friendly Purchasing Choices Domain
CCAI_Phi	The CCAI Climate-Friendly Purchasing Choices Domain
CCAI_R	The CCAI Climate-Friendly Purchasing Choices Domain
cfQ	Rotations Functions Using Gradient Projection Algorithms
cfT	Rotations Functions Using Gradient Projection Algorithms
echelon	Echelon Rotation
eiv	Errors-in-Variables Rotation
entropy	Rotations Functions Using Gradient Projection Algorithms
equamax	Rotations Functions Using Gradient Projection Algorithms
geominQ	Rotations Functions Using Gradient Projection Algorithms
geominT	Rotations Functions Using Gradient Projection Algorithms
GPArotation	Gradient Projection Algorithms for Factor Rotation
GPArotation.Intro	Gradient Projection Algorithms for Factor Rotation
GPFoblq	Core Algorithms and Random-Start Wrappers
GPFoblq.legacy	Core Algorithms and Random-Start Wrappers
GPFoblq.lp	Lp Rotation
GPForth	Core Algorithms and Random-Start Wrappers
GPForth.legacy	Core Algorithms and Random-Start Wrappers
GPForth.lp	Lp Rotation
GPFRSoblq	Core Algorithms and Random-Start Wrappers
GPFRSorth	Core Algorithms and Random-Start Wrappers
Harman	Harman's Eight Physical Variables
Harman8	Harman's Eight Physical Variables
infomaxQ	Rotations Functions Using Gradient Projection Algorithms
infomaxT	Rotations Functions Using Gradient Projection Algorithms
Lp rotation	Lp Rotation
lpQ	Rotations Functions Using Gradient Projection Algorithms
lpT	Rotations Functions Using Gradient Projection Algorithms
mccammon	Rotations Functions Using Gradient Projection Algorithms
NetherlandsTV	Netherlands Television Viewership Data
oblimax	Rotations Functions Using Gradient Projection Algorithms
oblimin	Rotations Functions Using Gradient Projection Algorithms
parsimax	Rotations Functions Using Gradient Projection Algorithms
print.GPArotation	Print and Summary Methods for GPArotation Class Objects
print.summary.GPArotation	Print and Summary Methods for GPArotation Class Objects
pstQ	Rotations Functions Using Gradient Projection Algorithms
pstT	Rotations Functions Using Gradient Projection Algorithms
quartimax	Rotations Functions Using Gradient Projection Algorithms
quartimin	Rotations Functions Using Gradient Projection Algorithms
Random.Start	Random Starting Matrix for Factor Rotation
rotations	Rotations Functions Using Gradient Projection Algorithms
simplimax	Rotations Functions Using Gradient Projection Algorithms
summary.GPArotation	Print and Summary Methods for GPArotation Class Objects
tandemI	Rotations Functions Using Gradient Projection Algorithms
tandemII	Rotations Functions Using Gradient Projection Algorithms
targetQ	Rotations Functions Using Gradient Projection Algorithms
targetT	Rotations Functions Using Gradient Projection Algorithms
Thurstone	Thurstone Box Data
Varimax	Rotations Functions Using Gradient Projection Algorithms
varimin	Rotations Functions Using Gradient Projection Algorithms
vgQ	Rotation Criteria: Value and Gradient Functions
vgQ.bentler	Rotation Criteria: Value and Gradient Functions
vgQ.bifactor	Rotation Criteria: Value and Gradient Functions
vgQ.bigeomin	Rotation Criteria: Value and Gradient Functions
vgQ.cf	Rotation Criteria: Value and Gradient Functions
vgQ.entropy	Rotation Criteria: Value and Gradient Functions
vgQ.geomin	Rotation Criteria: Value and Gradient Functions
vgQ.infomax	Rotation Criteria: Value and Gradient Functions
vgQ.lp.wls	Rotation Criteria: Value and Gradient Functions
vgQ.mccammon	Rotation Criteria: Value and Gradient Functions
vgQ.oblimax	Rotation Criteria: Value and Gradient Functions
vgQ.oblimin	Rotation Criteria: Value and Gradient Functions
vgQ.pst	Rotation Criteria: Value and Gradient Functions
vgQ.quartimax	Rotation Criteria: Value and Gradient Functions
vgQ.quartimin	Rotation Criteria: Value and Gradient Functions
vgQ.simplimax	Rotation Criteria: Value and Gradient Functions
vgQ.tandemI	Rotation Criteria: Value and Gradient Functions
vgQ.tandemII	Rotation Criteria: Value and Gradient Functions
vgQ.target	Rotation Criteria: Value and Gradient Functions
vgQ.varimax	Rotation Criteria: Value and Gradient Functions
vgQ.varimin	Rotation Criteria: Value and Gradient Functions
WansbeekMeijer	Netherlands Television Viewership Data