Hi,
I have a dataset where each row represents one person, with duplicates, like this:
Person
A
B
A
A
B
C
Then I have a second similar dataset, one row per person.
What I want to be able to do is remove people from the first dataset if they are present in the second dataset. Any help is much appreciated.
Thanks!
proc sql;
create table want as
select
t1.*
from
dataset1 as t1
left outer join dataset2 as t2
on t1.person=t2.person
where
t2.person is null;
quit;
proc sql;
create table want as
select
t1.*
from
dataset1 as t1
left outer join dataset2 as t2
on t1.person=t2.person
where
t2.person is null;
quit;
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