[R] Factor Analysis?

Prof Brian Ripley ripley at stats.ox.ac.uk
Wed Feb 2 13:25:53 CET 2000

> Date: Wed, 02 Feb 2000 10:26:02 +0000
> From: Michael Preminger <michael.preminger at jbi.hioslo.no>

> I have been browsing the R- manual and not seen any direct
> implementation of Factor analysis.

True, AFAIK, in the strict sense.  However, quite a few books
call factor analysis what statisticians call principal components
analysis, and that is there, in standard package mva.

> Is there anyone out there who has run Factor Analysis with R?

I have an experimental implementation, but it depends on features in the
development version, due out as 0.99.0 next week. However, people
seem to expect things such as varimax rotations to go with factor
analysis, and I have not yet thought about that.

My feeling is that there are plenty of packages that do factor analysis,
and not much demand for it in R.  Anyone want to write a factor analysis
package for R?

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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