
From  ronggui <ronggui.huang@gmail.com> 
To  statalist@hsphsun2.harvard.edu 
Subject  st: How to test the equality of coef in regression model 
Date  Mon, 24 Apr 2006 16:07:07 +0800 
First,I get the first model by: reg y x1 x2 x2 x3 then I want to test if _b[x1]=_b[x2]=_b[x3], Can I achieve it by the following codes? gen x=x1+x2+x3 reg y x1 x2 x2 x3 est store A1 reg y x1 x lrtest A1 . Are model A1 and . nested? and Is this test valid? Thanks.  »ÆÈÙ¹ó Deparment of Sociology Fudan University * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/
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