8.4 Train Test Split

• best way to measure model performance is to see how it performs to new data

http://www.feat.engineering/

train-test-split

ames_split <- rsample::initial_split(ames, prop = 0.75)
ames_split
## <2198/732/2930>

dim(ames)
## [1] 2930   81

class(ames_split)
## [1] "rsplit"   "mc_split"

ames_train <- rsample::training(ames_split)

ames_test <- rsample::testing(ames_split)