| GPArotation::GPA1guide | Gradient Projection Factor Rotation | source | R code | ||
| GPArotation::GPA2local | Assessing Local Minima in Factor Rotation | source | R code | ||
| GPArotation::GPA3bifactor | Bifactor Rotation and Reliability Coefficients | source | R code | ||
| GPArotation::GPA4fitstats | Factor Model Fit and Simple Structure Diagnostics | source | R code |