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A good place to start would probably be
http://www.stata-journal.com/article.html?article=pr0040
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von Nelson, Carl
Gesendet: Montag, 10. August 2009 16:38
An: [email protected]
Betreff: st: local macro dereferencing
I am trying to use a local macro for a long variable list but it appears
that it is not being dereferenced.
It is created with
local x1var age_m age_f incearn_m incearn_f black hispan_m healfpm healfpf
slfemp_m /*
*/ incretir_m incretir_f incgovt_m incgovt_f yrswk_m yrswk_f educ_m educ_f
/*
*/ wltagem wlt2agem wltagef wlat2agef wlteincm wlt2eincm wlteincf wlt2eincf
/*
*/ wltblack wlt2black wlthispan wlt2hispan wlthealthm wlt2healthm wlthealthf
wlt2healthf /*
*/ wltselfm wlt2selfm wltrincm wlt2rincm wltrincf wlt2rincf wltgincm
wlt2gincm wltgincf wlt2gincf /*
*/ wltyrswm wlt2yrswm wltyrswf wlt2yrswf wlteducm wlt2educm wlteducf
wlt2educf
macro list returns the correct contents of _x1var. The macro is then used in
the following statement
mata: gmmrsk("share_riskyassets_broad","risktol_m risktol_f","wlt
wlt2","`x1var'") where the mata program was defined as
mata:
mata set matastrict on
void gmmrsk(string scalar yname, string scalar hname, ///
string scalar x2name, string scalar x1name)
execution of the mata command returns
-------------------------------------------------------------------- begin
gmmbarg ---
- mata: gmmrsk("share_riskyassets_broad","risktol_m risktol_f","wlt
wlt2","`x1var'")
= mata: gmmrsk("share_riskyassets_broad","risktol_m risktol_f","wlt
wlt2","")
varlist required
st_data(): 3598 Stata returned error
gmmrsk(): - function returned error
<istmt>: - function returned error
It appears to me that x1var is not being dereferenced, but I don't
understand why. What is my syntax error?
Carl Nelson
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