Is there a simple way of duplicating the key until it reaches the next values so
key
5564
blank
5566
becomes
thanks
I have attached my dataset
You can use retain:
data have;
key=5564; output;
key=.; output;
key=5566; output;
run;
data want (drop=key rename=(new_key=key));
set have;
retain new_key;
if key ne . then new_key=key;
Lag would also work if its a new variable.
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