clementine 数据和案例
cardid,value,pmethod,sex,homeown,income,age,fruitveg,freshmeat,dairy,cannedveg,cannedmeat,frozenmeal,beer,wine,softdrink,fish,confectionery39808,42.7123,CHEQUE,M,NO,27000,46,F,T,T,F,F,F,F,F,F,F,T67362,25.3567,CASH,F,NO,30000,28,F,T,F,F,F,F,F,F,F,F,T10872,20.6176,CASH,M,NO,13200,36,F,F,F,T,F,T,T,F,F,T,F26748,23.6883,CARD,F,NO,122