我的程序是
Data<-read.csv("D:/shige2.csv")
> set.seed(1234)
> ind<-sample(2,nrow(Data),replace=TRUE,prob=c(0.75,0.25))
> train<-Data[ind==1,]
> test<-Data[ind==2,]
> library(xgboost)
> data<-train[,2:10]
> class<-train[,1]
> bst <- xgboost(data,class, max.depth = 2, eta = 1,nround = 2, objective = "binary:logistic")
Error in xgb.get.DMatrix(data, label) : xgboost: Invalid input of data
此外: Warning message:
In xgb.get.DMatrix(data, label) : xgboost: label will be ignored.
求教,


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