data yuc;
set yu;
if productscore<=34 then do;
xishu=0.5;
C1=1;
C2=0.5;
end;
ELSE IF productscore<=48 then do;
xishu=0.65;
C1=1.1;
C2=0.7;
end;
ELSE IF productscore<=62 then do;
xishu=0.8;
C1=1.2;
C2=0.8;
end;
ELSE IF productscore<=73 then do;
xishu=1;
C1=1.3;
C2=0.9;
end;
ELSE IF productscore<=85 then do;
xishu=1.5;
C1=1.5;
C2=1;
end;
大神们如何优化 proc format?