st: testnl command

From	"Indradeep Ghosh" <[email protected]>
To	[email protected]
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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