Hi Matt,
Did you try reading the documentation for factanal()? You can pull it
up by typing: help("factanal")
These give basically identical results using the raw data, the
covariance matrix, and the correlation matrix.
factanal(x = mtcars, factors = 3)
factanal(factors = 3, covmat = cov(mtcars))
factanal(factors = 3, covmat = cor(mtcars))
all of which is clearly, explained if you read the details for the
argument "covmat" in the help.
Cheers,
Josh
On Sat, Jun 11, 2011 at 3:06 PM, Matt Stati <mattst...@yahoo.com> wrote:
> Can someone please direct me to how to run a factor analysis in R by first
> inputting a correlation matrix? Does the function "factanal" allow one to
> read a correlation matrix instead of data vectors?
>
> Thanks,
> Matt.
>
> [[alternative HTML version deleted]]
>
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--
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
http://www.joshuawiley.com/
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