A.計(jì)算變量B.分類匯總C.變量重新編碼D.實(shí)用程序
A.1B.3C.4D.2
A.唯一選項(xiàng)字符型問(wèn)題B.一般字符型問(wèn)題C.一般數(shù)值型問(wèn)題D.唯一選項(xiàng)數(shù)值型問(wèn)題