In the column "event" My goal is to keep only 4010, but column event has COMBINED VISIT (-334 & -324) (4010)
The code below returned only VISIT. But I am interested in 4010
data want; Set have; redundant=scan(event,1,' '); event=scan(event,2,' '); drop redundant ; run;
Try:
event = scan(visit, 4, "()");
First word: COMBINED VISIT
Second word: -334 & -324
Third word: blank between parentheses
Fourth word: 4010
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