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Re: st: interaction
From
"Mary E. Mackesy-Amiti" <[email protected]>
To
[email protected]
Subject
Re: st: interaction
Date
Thu, 01 Apr 2010 12:39:32 -0500
to set reference category of var1 to level 2:
char var1[omit] 2
riyadh shamsan wrote:
using STATA 10
included an interaction of var1 (coded as 1,2,3) & var2 (coded as
1,2,3) in my model
xi: regress i.var1*i.var2
the two variable have more then one level so the lowest level of var1
& var2 will be omitted so the question is
i want to include level 1 of var1 with different levels of var2 (2 & 3)
hope my question is clear!
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--
Mary Ellen Mackesy-Amiti, Ph.D.
Research Assistant Professor
Community Outreach Intervention Projects (COIP)
School of Public Health m/c 923
Division of Epidemiology and Biostatistics
University of Illinois at Chicago
ph. 312-355-4892
fax: 312-996-1450
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* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/