nFactors (

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Parallel Analysis and Non Graphical Solutions to the Cattell Scree Test.

Indices, heuristics and strategies to help determine the number of factors/components to retain: 1. Acceleration factor (af with or without Parallel Analysis); 2. Optimal Coordinates (noc with or without Parallel Analysis); 3. Parallel analysis (components, factors and bootstrap); 4. lambda > mean(lambda) (Kaiser, CFA and related); 5. Cattell-Nelson-Gorsuch (CNG); 6. Zoski and Jurs multiple regression (b, t and p); 7. Zoski and Jurs standard error of the regression coeffcient (sescree); 8. Nelson R2; 9. Bartlett khi-2; 10. Anderson khi-2; 11. Lawley khi-2 and 12. Bentler-Yuan khi-2.

Maintainer: Gilles Raiche
Author(s): Gilles Raiche (Universite du Quebec a Montreal) and David Magis (Universite de Liege)

License: GPL (>= 2)

Uses: boot, lattice, MASS, psych, xtable
Reverse depends: BCSub,
Reverse suggests: FAiR, parameters, PCDimension

Released 6 months ago.

6 previous versions



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