Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: RE: nlsur command for a six commodity demand system


From   Yonas Alem <yonas_al@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: nlsur command for a six commodity demand system
Date   Mon, 3 Jan 2011 06:58:16 -0800 (PST)

Thanks a lot Brian! It worked when I removed the space in the scalar statement.
Yonas  ____________________________



----- Original Message ----
From: Brian P. Poi <brian@poiholdings.com>
To: statalist@hsphsun2.harvard.edu; statalist@hsphsun2.harvard.edu
Sent: Mon, January 3, 2011 3:05:24 AM
Subject: st: RE: nlsur command for a six commodity demand system

Dear Stata Users,
I'm trying to estimate a quadratic demand system of six equations but the
function evaluator program I wrote is not working.  When I try to run
the nlsur regression, Stata generates an error message (nlsuryonquaid
returned 109-verify that nlsuryonquaid is a function evaluator program). 
 
Below is the function evaluator program I wrote and I would appreciate it
very much if somone can help me figure out what the problem is.
Thanks,
Yonas
 
program nlsuryonquaid
  version 11
  syntax varlist(min=12 max=12) if, at(name)
  tokenize `varlist'
  args w1 w2 w3 w4 w5 lnp1 lnp2 lnp3 lnp4 lnp5 lnp6 lnexp
  tempname a1 a2 a3 a4 a5 a6
  scalar `a1' = `at' [1,1]
  scalar `a2' = `at' [1,2]
  scalar `a3' = `at' [1,3]
  scalar `a4' = `at' [1,4]
  scalar `a5' = `at' [1,5]

...

--------------------------

The space between the matrix name and the left bracket in your scalar
definitions could be the source of the r(109) errors.  When subscripting a
matrix, you can't have a space between the name and the subscript:

. mat b = (1,2,3)

. sca a = b [1,3]
type mismatch
r(109);

I'd try removing the spaces between `at' and the left bracket in all your
-scalar- statements.  IE, write

  scalar `a1' = `at'[1,1]

and so on instead of

  scalar `a1' = `at' [1,1]        // sic, not valid


  -- Brian Poi
  -- brian@poiholdings.com




*
*  For searches and help try:
*  http://www.stata.com/help.cgi?searchhttp://www.stata.com/support/statalist/faqhttp://www.ats.ucla.edu/stat/stata/



      

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index