local j=10
local p=-1
local q=77
forvalues i=1/10 {
local j=`j'-1
local p=`p'+1
local q=`q'-1
merge 1:1 _n using sur_rate_200`i', nogenerate
tsset Y
foreach var of varlist age sr_male sr_female {
generate Y0`i'_`var'=L`j'.`var'
replace Y0`i'_`var'=1 if Y0`i'_`var'==. in 1/10
}}
keep Y*
file sur_rate_20010.dta not found
r(601);
这个应该怎么修改/


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