that is all the data I have. my code is like this but there are errors. can anyone help me improve the code?
data out;
set in; i=1; do while (i <10); if i=input(substr(avisit, 6, 1),1.) then do; if 'DAY1' in avisit then avisitn='10'||put(i,1.)||'1'; if 'DAY8' in avisit then avisitn='10'||put(i,1.)||'2'; if 'DAY15' in avisit then avisitn='10'||put(i,1.)||'3'; if 'DAY22' in avisit then avisitn='10'||put(i,1.)||'4'; if 'DAY29' in avisit then avisitn='10'||put(i,1.)||'5'; if 'DAY36' in avisit then avisitn='10'||put(i,1.)||'6'; end; i=i+1; end; run
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