2 使用插入符号包但库中出现错误(e1071) 这是我的代码,相当标准,但是我收到错误消息: library(caret) set.seed(32343) modelFit = train(type~.,data=training, method='glm') 错误消息: Error in library(e1071) : there is no package called ‘e1071’ 任何想法?谢谢! 72 r r-caret