我怎样才能变换数据X到Y在 X = data.frame(
ID = c(1,1,1,2,2),
NAME = c("MIKE","MIKE","MIKE","LUCY","LUCY"),
SEX = c("MALE","MALE","MALE","FEMALE","FEMALE"),
TEST = c(1,2,3,1,2),
SCORE = c(7
我的数据帧主要包含catagorical列和一个数值列,对DF看起来像这样(简化): **Home_type** **Garden_type** **NaighbourhoOd** **Rent**
Vila big brooklyn 5000
Vila small bronx 7000
Condo shared Sillicon val
我有一个数据帧如下 id gender group Student_Math_1 Student_Math_2 Student_Read_1 Student_Read_2
46 M Red 23 45 37 56
46 M Red 34 36 33 78
46 M Red 56 63 58
62 F Blue 59