GPArotation             Gradient Projection Algorithms for Factor
                        Rotation
GPFRSorth               Rotation Optimization
Harman                  Example Data from Harman
Random.Start            Generate a Random Orthogonal Rotation
Thurstone               Example Data from Thurstone
WansbeekMeijer          Factor Example from Wansbeek and Meijer
echelon                 Echelon Rotation
eiv                     Errors-in-Variables Rotation
rotations               Rotations
vgQ                     Rotations
