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st: RE: RE: RE: Difference in correlation coefficients


From   "Nick Winter" <nwinter@policystudies.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: RE: Difference in correlation coefficients
Date   Wed, 17 Jul 2002 09:08:00 -0400

YOu should be able to track them down anyway - check out the FAQ on
findit listed at the bottom of all StataList messages (and repeated
here:

	http://www.stata.com/support/faqs/res/findit.html

Nick Witner

> -----Original Message-----
> From: Banya, Winston [mailto:w.banya@ic.ac.uk] 
> Sent: Wednesday, July 17, 2002 8:56 AM
> To: 'statalist@hsphsun2.harvard.edu'
> Subject: st: RE: RE: Difference in correlation coefficients
> 
> 
> Many thanks Nick. Unfortunately I have STATA 6 and cannot use 
> the findit
> command. I have however placed in an order for STATA 7 which 
> I hope to be
> using by the end of the month. I may have to find a way of doing the
> calculations manually.
> 
> Winston
> 
> -----Original Message-----
> From: Nick Winter [mailto:nwinter@policystudies.com]
> Sent: 17 July 2002 13:31
> To: statalist@hsphsun2.harvard.edu
> Subject: st: RE: Difference in correlation coefficients
> 
> 
> > -----Original Message-----
> > From: Banya, Winston [mailto:w.banya@ic.ac.uk] 
> > Sent: Wednesday, July 17, 2002 4:03 AM
> > To: 'statalist@hsphsun2.harvard.edu'
> > Subject: st: Difference in correlation coefficients
> > 
> > 
> > Dear All,
> > 
> > I  have used the pwcorr command to get correlation 
> > coefficients and I am
> > interested in finding the difference in the coefficients and the
> > significance of the difference.
> > 
> > For example if I have 3 variables y1 y2 and x2 and then I do
> > 
> > pwcorr y1 x2 to get r1 and  pwcorr y1/y2 x2 to get r2. If 
> there is an
> > improvement in r as a result of using y1/y2 then how to 
> > account for the
> > improvement together with its significance.  Is there anyway 
> > way I can do so
> > using STATA?
> > 
> > Many thanks
> > 
> 
> Typeing -findit correlation test- turns up, among much else, 
> -cortesti-,
> -corcor- (which is part of STB-32), one or both of which 
> should give you
> what you want.
> 
> Nick Winter
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