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st: Differences in Date 0 between MS Access and Stata


From   "Li, Wenjun" <WLi1@Lifespan.org>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: Differences in Date 0 between MS Access and Stata
Date   Mon, 21 Oct 2002 10:23:18 -0400

I encountered a problem of converting MS Access database to Stata format
with a date variable.  As I understood, Stata uses "1/1/1960" as reference
date, I wonder what is the default reference date for MS Access 97, and how
to make adjustment to the difference?

Thanks, 


Wenjun Li
Biostatistics Research Center
Tufts-New England Medical Center
750 Washington Street, #63
Boston, MA 02111
Tel (617) 636 1603  Fax (617) 636 5560
Email: wli1@lifespan.org <mailto:wli1@lifespan.org> 

		-----Original Message-----
		From:	J. Yimin Zhou [mailto:zymx@yahoo.com]
		Sent:	Monday, October 21, 2002 10:12 AM
		To:	statalist@hsphsun2.harvard.edu
		Subject:	st: RE: robust st. errors and fixed effects

		Hi Peter,

		I don't know how to answer your question, but I do have a
question for you:
		Aren't fixed effects supposed to be used to control for
heterogeneity?

		Jeremy Z.

		-----Original Message-----
		From: owner-statalist@hsphsun2.harvard.edu
		[mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of
Peter Haan
		Sent: Monday, October 21, 2002 11:12 PM
		To: statalist@hsphsun2.harvard.edu
		Subject: st: robust st. errors and fixed effects


		Hi,
		is there a possibility to estimate a fixed effect model,
controlling for
		heterogeneity.
		the comad robust and xtreg don`t work togetehr.
		Is there an other way to control for h.?
		thanks for your help
		peter

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