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st: dummy variables in xtreg


From   Marco Buur <marco.buur@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: dummy variables in xtreg
Date   Thu, 30 Jul 2009 16:27:37 +0200

Dear All

I am running xtreg, re model with dummy (year) variables

xtreg a b c y1-y8, re  cluster(Country)

2 dummy variables y2 and y8 are dropped due to collinearity. Is there
a way to fix this?

Can I force Stata  to include all  dummy variables  y1-y8 in xtreg, re?


Thanks
Marco
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