how to display duplicated observations in a data using base
sas.
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Answer Posted / aravind rangaraj
two ways u can do ot.
1. proc sort with dupout option.
2. data step:
data nodups dups;
set sample;
by x;
if first. and last. then output nodups;
else output dups;
run;
proc print data=dups;
run;
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