olsrr 패키지를 이용한 회귀분석에서의 변수선택

install.packages("olsrr")
library(olsrr)

# All possible regression
olsrr::ols_step_all_possible(model)

# Stepwise backward regression
olsrr::ols_step_backward_p(model)

# Stepwise forward regression
olsrr::ols_step_forward_p(model)

# Stepwise regression
olsrr::ols_step_both_p(model)