library(mlbench)
data("BostonHousing")
sapply(BostonHousing,class)
## crim zn indus chas nox rm age dis
## "numeric" "numeric" "numeric" "factor" "numeric" "numeric" "numeric" "numeric"
## rad tax ptratio b lstat medv
## "numeric" "numeric" "numeric" "numeric" "numeric" "numeric"
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