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

[Ian C Zink <izink@rsmas.miami.edu>]

Thank you all for your suggestions - I will look into the articles 
provided and post a new message if I have remaining questions.
Ian
Richard Goldstein wrote:
> 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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--
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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