R语言 分类决策树 classification tree

R语言决策树示例 建模造树 rm(list=ls()) library(kernlab) data(spam) data <- spam id <- sample(1:4601,3000) train <- data[id,] test <- data[-id,] library(tree) library(rpart) mdl=tree(type~., data=train,

>>阅读原文<<