[R] Factor analysis

[Liviu Andronic]

On Sat, Nov 13, 2010 at 2:07 PM, Brima <adamsteve2000 at yahoo.com> wrote:
>
> Thanks very much. However, I got an error message when I tried.
> What I did is that I created a correlation matrix named dat which is the
> only data I have and tried using the below
>
>> fa<- factanal(covmat = dat, factors=2, rotation="none", scores="none")
> Error in factanal(covmat = dat, factors = 2, rotation = "none", scores =
> "none") :
>  'covmat' is not a valid covariance list
>
Please post the result of
str(dat)

Also, does the following work?
as.matrix(dat)

Liviu


> Please help.
>
> Best regards
> --
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