GPArotation-package: GPA Rotation for Factor Analysis

Description Details Author(s) References See Also

Description

GPArotation implements Gradient Projection Algorithms and several rotation objective functions for factor analysis.

Details

Package: GPArotation
Depends: R (>= 2.0.0)
License: GPL Version 2.
URL: http://www.stat.ucla.edu/research or
http://www.stat.ucla.edu/research/gpa

The main optimization functions are GPForth and GPFoblq. Rotation objectives include oblimin and many others.

Author(s)

Coen A. Bernaards and Robert I. Jennrich with some R modifications by Paul Gilbert.

Code is modified from original source ‘splusfunctions.net’ available at http://www.stat.ucla.edu/research/gpa.

References

The software reference is

Bernaards, C.A. and Jennrich, R.I. (2005) Gradient Projection Algorithms and Software for Arbitrary Rotation Criteria in Factor Analysis. Educational and Psychological Measurement, 65, 676–696.

Theory of gradient projection algorithms may be found in:

Jennrich, R.I. (2001). A simple general procedure for orthogonal rotation. Psychometrika, 66, 289–306.

Jennrich, R.I. (2002). A simple general method for oblique rotation. Psychometrika, 67, 7–19.

See Also

rotations, GPForth, GPFoblq, factanal



GPArotation documentation built on May 21, 2017, 3:33 a.m.
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