Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

RE: st: Differences between stata 9 and 8.2 - factor analysis


From   "Daniel Schneider" <daniel.schneider@stanford.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Differences between stata 9 and 8.2 - factor analysis
Date   Mon, 20 Jun 2005 10:39:28 -0700

Richard,

Thanks for the hint. Yes, you are right, as expected the results are the
same as in the real 8.2 when I use -version-. My only problem now is
that I have to figure out what exactly the difference between the two
version is and which one I should trust (and how to justify that). The
whatsnew just tells me that rotate has been expanded with new methods of
rotations, but I don't see how that should affect my usage of VARIMAX.

I guess something has been changed on how that rotation works, perhaps a
starting value? Any clues?

Daniel Schneider




> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu 
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of 
> Richard Williams
> Sent: Monday, June 20, 2005 10:28 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: Differences between stata 9 and 8.2 - factor analysis
> 
> 
> At 10:14 AM 6/20/2005 -0700, Daniel Schneider wrote:
> >Dear list,
> >
> >I encountered some strange difference between stata 9 and stata 8.2:
> >
> >When I use a factor analysis, pcf:
> >
> >-- factor grata-gratn gratr if s_func!=4, pcf
> >
> >And then do a rotation:
> >
> >-- rotate, varimax
> 
> If you type -help version-, you will see that there are a 
> number of little 
> changes in -factor- and related commands.  Whether they can 
> account for 
> what you are seeing, I don't know.  You might try something like
> 
> version 8.2
> factor...
> rotate...
> 
> and see if Stata 9 gives you the same results that Stata 8.2 did.
> 
> 
> -------------------------------------------
> Richard Williams, Notre Dame Dept of Sociology
> OFFICE: (574)631-6668, (574)631-6463
> FAX:    (574)288-4373
> HOME:   (574)289-5227
> EMAIL:  Richard.A.Williams.5@ND.Edu
> WWW (personal):    http://www.nd.edu/~rwilliam
> WWW (department):    http://www.nd.edu/~soc
> 
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
> 

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index