I have the following code applied to the attached file which I need to modify such that I draw sample of N loans from the loan population labelled 'PUR' until the sum of the UPBs reaches 50000.
Any thoughts are welcome.
proc means data=LoanPopulation n;
var Loan_ID;
output=want;
run;
proc surveyselect data=loan_population3
method=srs n=(.8*n) out=PUR_sample;
where purpcd='PUR';
run;
You can try somthing like this
data want;
set have (where=(PURPOSE='PUR'));
call streaminit(12);
if rand("Uniform")<=0.8 then total+upb;
if total>50000 then stop;
run;
You can try somthing like this
data want;
set have (where=(PURPOSE='PUR'));
call streaminit(12);
if rand("Uniform")<=0.8 then total+upb;
if total>50000 then stop;
run;
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