st: -margins- after -reg3-

["Pavlos C. Symeou" <p.symeou@gmail.com>]

Dear Statalisters,

I am estimating a system of 3 equations using -reg3- as follows:

reg3 (Eq1:   ) (Eq2:  )  (Eq3:   )

I want to obtain the marginal effects for specific variables in Eq3 
and then graph them against another variable from the same 
equation, probably using -marginsplot-.

I can't find a way how to do this, so I am hoping whether you have 
an idea.

Best wishes,

Pavlos
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