Re: st: Re: determining differences between intercepts after regression

[Richard Goldstein <richgold@ix.netcom.com>]

a nice description can be found in

Wolfe, R and Hanley, J (1/8/2002), "If we're so different, why do we 
keep overlapping? When 1 plus 1 doesn't make 2", _Canadian Medical 
Association Journal_, 166: 65-66
Martin Weiss wrote:
> <>
>
> Please explain!
>
> HTH
> Martin
> _______________________
> ----- Original Message ----- From: "Jeph Herrin" <junk@spandrel.net>
> To: <statalist@hsphsun2.harvard.edu>
> Sent: Wednesday, February 18, 2009 8:32 PM
> Subject: Re: st: Re: determining differences between intercepts after 
> regression
>
> > Not quite. If they don't overlap, then yes, they are
> > different; but if they do overlap, the two intercepts
> > may still be significantly different at an alpha of 5%.
> >
> > Martin Weiss wrote:
> > > <>
> > >
> > > See whether their confidence intervals overlap...
> > >
> > > HTH
> > > Martin _______________________
> > > ----- Original Message ----- From: "Ian C Zink" <izink@rsmas.miami.edu>
> > > To: <statalist@hsphsun2.harvard.edu>
> > > Sent: Wednesday, February 18, 2009 7:59 PM
> > > Subject: st: determining differences between intercepts after regression
> > >
> > >
> > > > Dear Stata List,
> > > >   I have computed two linear regressions and would like to compare 
> > > > the computed intercepts statistically.  Is there a command or 
> > > > command process that can achieve this?  Thank you for your assistance.
> > > > Ian
> > > >
> > > > --
> > > > Ian C. Zink
> > > > Aquaculture Department - Division of Marine Affairs U. of Miami - 
> > > > Rosenstiel School of Marine and Atmospheric Science
> > > > 4600 Rickenbacker Causeway
> > > > Miami, FL 33149
> > > > office: 305-421-4915
> > > > fax: 305-421-4675
> > > > email: izink@rsmas.miami.edu
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