当我这样做
install.packages(“caret”)
该软件包似乎已成功安装(R响应张贴在本文的底部)。但是,当我运行library(caret)时,出现以下错误消息:
library(caret)
Error: package or namespace load failed for ‘caret’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
there is no package called ‘lava’