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RE: st: % of variance in factor analysis


From   Mash Hamid <[email protected]>
To   "[email protected]" <[email protected]>
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: [email protected] [[email protected]] on behalf of JVerkuilen (Gmail) [[email protected]]
Sent: 30 May 2013 01:53
To: [email protected]
Subject: Re: st: % of variance in factor analysis

On Wed, May 29, 2013 at 8:38 PM, Mash Hamid <[email protected]> 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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