> -----Original Message-----
> From: Banya, Winston [mailto:[email protected]]
> Sent: Wednesday, July 17, 2002 4:03 AM
> To: '[email protected]'
> 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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