Christopher Kodongo <[email protected]>:
Probably several things are fundamentally wrong, but what jumps out at
me is that the parameter vector cannot be k by i, only 1 by i.
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On Wed, Feb 17, 2010 at 9:43 AM, Christopher Kodongo
<[email protected]> wrote:
>
> Dear statalisters
>
> Something appears to be fundamentally wrong with the following program. Trouble is - I can't spot it. Can you?
>
> program tryagain2, eclass
> version 11
> syntax varlist [if], at(name) depvars(varlist) indvars(varlist)
> quietly {
> tempvar xb
> generate double `xb' = 0 `if'
> local k = 1
> local i = 1
> foreach var of varlist `depvars' {
> foreach var of varlist `indvars' {
> replace `xb' = `xb' + `at'[`k',`i']*`var' `if'
> local `++i'
> }
> local `++k'
> }
> replace `xb' = `xb' + `at'[`k',`i'] `if'
> replace `varlist' = `depvars' - `xb' `if'
> }
> end
>
> gmm tryagain2, nequations(3) parameters(wldemr usaemr _cons) ///
> depvars(kenemr moremr zaremr) indvars(wldemr usaemr) ///
> instruments(nigemr empemr zaremr) wmatrix(robust) vce(hac bartlett 2) igmm
>
> The output when I run it: INVALID MOREMR. (moremr is one of my dependent variables).
> THANK YOU.
>
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