Dear Statalisters, after typing qui forval i =1/10000 { qui g double s`i' = Surv_Pos_IFI[`i']*(1-Monthly_Pr_Death_AML_MDS_Prob) in 1 replace s`i' = s`i'[_n-1]*(1-Monthly_Pr_Death_AML_MDS_Prob) if s`i'==. qui g double u`i' = s`i'*LYS } I would like to...