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还是不行。
quietly xtreg sluemtotlzs deveornot area5b lnGDPper lnGDPper2 nvindtotlzs spurbtotlinzs area1b slsrvemplzs slindemplzs
> if year>2001,re
. mat l e(theta)
e(theta)[1,5]
c1 c2 c3 c4 c5
r1 .76180554 .76180554 .900378382 .90769861 .90769861
. global yandxforhausman sluemtotlzs deveornot area5b lnGDPper lnGDPper2 nvindtotlzs spurbtotlinzs area1b slsrvemplzs slind
> emplzs if year>2001
. sort countryside
. foreach x of varlist $yandxforhuasman{
2. by countryside:egen mean`x'=mean(`x')
3. gen md`x'=`x'-mean`x'
4. gen red`x'=`x'-theta*mean`x'
5. }
varlist required
r(100);
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