[R] varimax and promax rotation

Prof Brian D Ripley ripley at stats.ox.ac.uk
Thu Nov 26 08:30:24 CET 1998

On Wed, 25 Nov 1998, Jorge M. S. Magalhaes wrote:

> How i can make Varimax  and Promax Rotation  in R 0.63

As I understand those terms, they apply to the output of a factor analysis,
and I am not aware of that being implemented in R.

You are here in a rather specialised (and not at all widely accepted) area
of statistics, and would be better off using a specialist package. I made a
deliberate decision not to implement factor analysis in R.

Rotation is sometimes applied to the output of a principal components
analysis, but that is even more controversial.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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