Answer / guest

Dupout option

Answer / vimal

PROC SORT DATA=data_a DUPOUT=dup_data
NODUPKEY
OUT=nodup_data;
BY x;
RUN;

Answer / yam

First sort the data set by the key variable and then

data dup;
set indata1;
if not(first.keyvar) then output dup;
run;

Answer / charan araveti

if u dont want to use DUPOUT,hear is some code:

data dup(drpo temp_id);
set ds1;
retain temp_id;
if temp_id ne id then
output;
temp_id=id;

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