clear all
cd c:\chililabdata\newcode\data
use  std_births
gen year = year(bod)
tostring year, replace
sort individid
drop individkey 
rename individid childid
rename bornid childbornid



gen individkey = motherid + round
sort individkey
merge m:1 individkey using std_education, keepusing(eduid)
keep if _merge !=2
rename eduid meduid
drop _merge

merge m:1 individkey using std_occupation, keepusing(occupationid)
keep if _merge !=2
rename occupationid moccupationid
drop _merge

replace individkey = fatherid + round
sort individkey
merge m:1 individkey using std_education, keepusing(eduid)
keep if _merge !=2
rename eduid feduid
drop _merge

merge m:1 individkey using std_occupation,keepusing(occupationid)
keep if _merge !=2
rename occupationid foccupationid
drop _merge
drop individkey
rename motherid individid
sort individid
merge m:1 individid  using std_individual , keepusing(birthdate  bornid)
keep if _merge !=2
drop _merge
rename birthdate mbod
rename bornid mbornid
rename individid motherid

rename fatherid individid
sort individid
merge m:1 individid  using std_individual , keepusing(birthdate  bornid)
keep if _merge !=2
drop _merge
rename birthdate fbod
rename bornid fbornid
rename individid fatherid
rename childid individid
drop motheridGuid fatheridGuid appround
replace householdkey = socialgpid + year
merge m:1 householdkey using houseinfo, keepusing (quintile)
keep if _merge !=2
drop _merge
sort individid
save std_allbirths, replace

use std_individual
keep if length(motherid)==11
sort motherid birthdate

gen prevchildid = individid[_n-1] if mother[_n-1] ==motherid
gen prevgender = sex[_n-1] if mother[_n-1] ==motherid
gen prevbirthdate = birthdate[_n-1] if mother[_n-1] ==motherid
sort individid
save tmp_individual, replace
use std_allbirths
merge 1:1 individid using tmp_individual, keepusing(prevchildid prevgender prevbirthdate)
keep if _merge!=2
drop _merge

cd c:\chililabdata\newcode