[R] Factor analysis

[Prof Brian Ripley]

See ?factanal, and ?ability.cov for a worked example.

On Fri, 12 Nov 2010, Brima wrote:

>
> Hi all,
>
> This could be very basic. I want to do exploratory factor analysis but I
> don't have the data, rather I have the correlation matrix. How do I do this
> with just the correlation matrix? I know for principal components, I can
> just find the eigen values.
>
> Best regards
> -- 
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>
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-- 
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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595