***OLS
reg pscore L.Dig agender age aedu apoliout amarriage ahealth ajob familysize pgdp aurban trafin

***FE
***生成面板数据
duplicates drop fid cyear, force
xtset fid cyear
xtreg pscore L.Dig agender age aedu apoliout amarriage ahealth ajob familysize pgdp aurban trafin i.cyear,fe cluster(provcd)
outreg2 using table1.doc,bd(4) drop(i.cyear) ctitle(FE)