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RE: st: % of variance in factor analysis

 From Mash Hamid To "statalist@hsphsun2.harvard.edu" Subject RE: st: % of variance in factor analysis Date Thu, 30 May 2013 01:14:18 +0000

```Hi,

Thanks for this but this still does not help me understand it.

________________________________________
From: owner-statalist@hsphsun2.harvard.edu [owner-statalist@hsphsun2.harvard.edu] on behalf of JVerkuilen (Gmail) [jvverkuilen@gmail.com]
Sent: 30 May 2013 01:53
To: statalist@hsphsun2.harvard.edu
Subject: Re: st: % of variance in factor analysis

On Wed, May 29, 2013 at 8:38 PM, Mash Hamid <MXH191@bham.ac.uk> wrote:
>
> I have been performing factor analysis and I am having trouble understanding the % of variance and to explain it in layman's terms.
>
>
> I have a dataset with 40 variables and the first factor has an eigenvalue of 13 and the second factor has an eigenvalue of 2. Now the first factor accounts for  40% of the variance, and the second has variance of 8% after rotation. Now in layman's terms, what does  "% of the variance of each factor" mean?
>

http://www.quantpsy.org/pubs/preacher_maccallum_2003.pdf

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