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


From   "Martin Weiss" <[email protected]>
To   <[email protected]>
Subject   Re: st: Re: determining differences between intercepts after regression
Date   Wed, 18 Feb 2009 20:37:44 +0100

<>

Please explain!

HTH
Martin
_______________________
----- Original Message ----- From: "Jeph Herrin" <[email protected]>
To: <[email protected]>
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" <[email protected]>
To: <[email protected]>
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: [email protected]

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