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R exercise
Chapter 8 exercise 8
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set.seed(1)
train <- sample(1:nrow(Carseats), nrow(Carseats) / 2)
Carseats.train <- Carseats[train, ]
Carseats.test <- Carseats[-train, ]
#1
set.seed(2)
...
#2
set.seed(3)
...
#3
#4