R MSE 계산

1 개요

R MSE 계산

options(echo=T)
df = data.frame(
  radio_ads = c(3,4,9,4,5,5,2,6,5,3),
  tv_ads    = c(1,3,4,1,4,1,4,2,4,2),
  retention = c(5,1,6,2,8,3,4,9,7,4)
)
model = lm(retention ~ radio_ads + tv_ads, data=df)
summary( model )
pred = predict(model, data=df)
# MSE
mean((df$retention - pred)^2)

2 같이 보기

• MSE
• R 다중회귀분석