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Re: st: RE: nlsur command for a six commodity demand system
From
Yonas Alem <[email protected]>
To
[email protected]
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 <[email protected]>
To: [email protected]; [email protected]
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
-- [email protected]
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