交叉验证分类树

问题描述

给出反映客户特征以及银行是否继续与他们合作(流失)的银行客户样本。样本涉及 10,000 个客户,而文件“Train.Data”和“Test.Data”包含我们需要的信息。

数据:

训练数据:

setTransformation()

测试数据:

AnchorUnderMouse

我为银行客户流失建立了分类树,并尝试进行交叉验证过程。这是代码

> dput(head(datab1))
structure(list(RowNumber = 1:6,CustomerId = c(15634602L,15647311L,15619304L,15701354L,15737888L,15574012L),Surname = c("Hargrave","Hill","Onio","Boni","Mitchell","Chu"),Creditscore = c(619L,608L,502L,699L,850L,645L),Geography = c("France","Spain","France","Spain"),Gender = c("Female","Female","Male"),Age = c(42L,41L,42L,39L,43L,44L),Tenure = c(2L,1L,8L,2L,8L),Balance = c(0,83807.86,159660.8,125510.82,113755.78),NumOfProducts = c(1L,3L,2L),HasCrCard = c(1L,0L,1L),IsActiveMember = c(1L,0L),EstimatedSalary = c(101348.88,112542.58,113931.57,93826.63,79084.1,149756.71),Exited = c(1L,1L)),row.names = c(NA,6L),class = "data.frame")

在创建树时会出现错误,尤其是图形错误,我无法理解出了什么问题?

任何建议都可以保存我的代码

解决方法

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