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Re: st: Using mkmat with a local as the varlist
From
William Buchanan <[email protected]>
To
[email protected]
Subject
Re: st: Using mkmat with a local as the varlist
Date
Fri, 8 Mar 2013 14:13:14 -0800
webuse hsng2
ivregress 2sls rent pcturban (hsngval = faminc i.region), small
ereturn li
loc instruments `e(insts)'
di `"`instruments'"'
You weren't referencing the _macro_ where the variable names were stored correctly.
HTH,
Billy
On Mar 8, 2013, at 2:05 PM, Mauricio Esteban Cuak <[email protected]> wrote:
> Hi,
>
> I'm trying to save the lists of variables from a macro as an argument
> for the mkmat command.
> Here is an example of the use I'm trying to give:
>
> ******** Begin Code**************
>
> sysuse auto, replace
>
> foreach v of var * {
> drop if missing(`v')
> }
>
> qui ivregress gmm price trunk (weight = turn length )
>
> /* Now i'd like to construct a matrix with the instruments */
>
> /* This works: */
>
> mkmat trunk turn length, matrix(A)
>
> /* But this doesn't: */
>
> local instruments e(insts)
>
> mkmat `instruments', matrix(B)
>
>
> ***** End of code ********
>
> I've tried different ways to define the local but I haven't been able
> to make it work. I think the problem is mkmat takes `instruments' as a
> string and not as
> a list of variables, but I don't know how to fix it...
>
> Thanks for your time,
>
> M.C.
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