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" When I run it, I get the following error messages:"
Which command did you enter into Stata when trying to "run it"?
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von odongo kodongo
Gesendet: Dienstag, 16. Februar 2010 16:50
An: [email protected]
Betreff: st: Using GMM with Moment-Evaluator Program
Dear all,
I am trying to run the following program, which in all respects, is similar
to the illustration given in the "Help GMM" of Stata 11/SE.
program tryagain
version 11
syntax varlist if, at(name) rhsvar(varlist) lhsvar(varlist)
quietly {
tempvar xb
generate double `xb' = 0 `if'
local i = 1
foreach var of varlist `rhsvar' {
replace `xb' = `xb' + `at'[1,`i']*`var' `if' // coefficients
local `++i'
}
replace `xb' = `xb' + `at'[1,`i'] `if' // constant term
replace varlist = `lhsvar' - `xb' `if' // model's
residuals
}
end
When I run it, I get the following error messages:
error calling tryagain at initial values
variable varlist not found
r(111);
end of do-file
r(111);
Going through the archives, I realized that another user, Laszlo Sandor, had
a more or less similar problem on October 29, 2009. However, the responses
he received do not seem useful in getting me out of my predicament.
Can someone help me discover the source of the error?
Thank you.
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