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st: RE: mvprobit within program define


From   Nick Cox <n.j.cox@durham.ac.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: mvprobit within program define
Date   Thu, 7 Jul 2011 11:34:16 +0100

Daniel Klein gave very good advice. 

In addition, I note that this program invokes a local macro -basic- which is never defined. 

I guess that you misunderstand local macros. If local macro -basic- is defined somewhere else, that is quite immaterial. -NHreg- can't see it. 

Nick 
n.j.cox@durham.ac.uk 

Zhi Su

  I need to define a program that can return the observations that are
used in multivariate probit model. Here is the program I write

  capture program drop NHreg
  program define NHreg,eclass
  mvprobit (T1=`basic') (T2=`basic') (T3=`basic') (T4=`basic'),robust
  ereturn scalar O=e(N)
  end

  Then in stata I run written command
  NHreg
 Stata return " J():  3204  matrix found where scalar required
                 <istmt>:     -  function returned error
  "
   Do anyone know what is wrong here?
   Thank you!


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