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

[Jeph Herrin <junk@spandrel.net>]

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
> >
> > *
> > *   For searches and help try:
> > *   http://www.stata.com/help.cgi?search
> > *   http://www.stata.com/support/statalist/faq
> > *   http://www.ats.ucla.edu/stat/stata/
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/