catboost的R实现(包含样本权重&指标权重设置，shap值，不平衡数据集处理)
#L-name contrastXMDZ<-read.csv(file='C:/Users/13771/Desktop/XMDZ.csv', header=FALSE,sep=",")#data unionjzx<-read.csv(file='C:/Users/13771/Desktop/2甲状腺肿瘤.csv', row.names = 1,header=TRUE, sep=",")rx<-read.csv(fi
