data work.empsalary;
set work.people (in=inemp)
work.money (in=insal);
if inemp and insal;
run;

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楼主: littlejay
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2805
3
请教sas base的问题 |
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高中生 45%
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回帖推荐In this case it is the same as,
if inemp and insal ; = if inemp and insal then output ;
In other cases it could be different. Forexample,
data t1;
do x=1 to 3;
do x2=1 to 2;
do obs=1 to 10;
z=rannor(123);
y= 1+ x*x2 +1*z+ rannor(7789);
output;
end;
end;
end;
run;
data t2;
set t1;
if x=2;
k= ...
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