R rpart()

개요

R rpart()

• "Recursive Partitioning And Regression Trees"

library(rpart)
fit <- rpart(Kyphosis ~ Age + Number + Start, data = kyphosis)
fit2 <- rpart(Kyphosis ~ Age + Number + Start, data = kyphosis,
              parms = list(prior = c(.65,.35), split = "information"))
fit3 <- rpart(Kyphosis ~ Age + Number + Start, data = kyphosis,
              control = rpart.control(cp = 0.05))
par(mfrow = c(1,2), xpd = NA) # otherwise on some devices the text is clipped
plot(fit)
text(fit, use.n = TRUE)
plot(fit2)
text(fit2, use.n = TRUE)

같이 보기

• R 결정트리분석
• R rpart.control()
• R rpart.object()
• R summary.rpart()
• R print.rpart()

참고

• https://www.rdocumentation.org/packages/rpart/versions/4.1-15/topics/rpart