- capture drop var2
- capture drop var3
- gen var2=.
- gen var3=.
- forvalue i=1(1)`=_N' {
- forvalues j=5(-1)0 {
- if var1[`=`i'+`j'']~=. {
- replace var2=var1[`=`i'+`j''] in `i'
- continue,break
- }
- }
- qui centile var1 if _n~=`i'
- qui replace var3=r(c_1) in `i'
- }


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