I want to identify any duplicates between rows of different groups and delete some observation.
My example :
```
data temp;
input siren $ imput $;
cards;
x one
x one
x two
y two
y two
z three
z three
z four
;
run;
```
The output I want :
```
siren imput
x one
x one
y two
y two
z three
z three
```
Many thanks in advance !
Are you asking to "Keep" duplicates ?
data temp;
input siren $ input $;
cards;
x one
x one
x two
y two
y two
z three
z three
z four
;
run;
data want;
set temp;
by siren input notsorted;
if not(first.input and last.input);
run;
Are you asking to "Keep" duplicates ?
data temp;
input siren $ input $;
cards;
x one
x one
x two
y two
y two
z three
z three
z four
;
run;
data want;
set temp;
by siren input notsorted;
if not(first.input and last.input);
run;
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