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st: testnl command


From   "Indradeep Ghosh" <indradeepg@hotmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: testnl command
Date   Sat, 12 Nov 2005 16:23:11 +0000

dear all
i am trying to run a non-linear test with panel data. my null takes the form

alpha*beta+gamma = 0

however, i am getting the response "the equation evaluates to missing". what does this mean?
thanks
deep


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