SPSS裡面的資料『轉換』功能似乎沒有辦法達成多重轉換。要做多重轉換，Excel容易許多，如果還是一定要用SPSS，那可以參考下面的語法：
IF (0<=x & x<=100) xx1 = x+90 .
EXECUTE .
IF (101<=x & x<=900) xx2 = 100+(x-20)*0.03 .
EXECUTE .
IF (0<=x & x<=100) xx3 = 650+(x-400)*0.1 .
EXECUTE .
RECODE
xx1 (MISSING=0) .
EXECUTE .
RECODE
xx2 (MISSING=0) .
EXECUTE .
RECODE
xx3 (MISSING=0) .
EXECUTE .
COMPUTE xxx = xx1+xx2+xx3 .
EXECUTE .
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