01-30-2013 02:15 PM
How can I set to missing the dates that repeat?
informat ckd_dt date9.;
format ckd_dt date9.;
input c_id ckd_dt date9.;
01-30-2013 02:24 PM
ok,I got it.
Sorry for taking any of your time.
proc sort data = in;by c_id ckd_dt;
data want(drop = ckd_dt rename = (new_dt = ckd_dt))
by c_id ckd_dt;
if first.ckd_dt then new_dt = ckd_dt;
else new_dt= .;
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