library(caret)
Loading required package: ggplot2 Error: package or namespace load failed for ‘ggplot2’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]): there is no package called ‘gtable’ Error: package ‘ggplot2’ could not be loaded如何安装插入式包装?在安装时,我得到这个消息
首先'install.packages( “插入符号”)',和'install.packages(“ggplot2”)'',然后'库(插入符号)' – CPak
另外,确保没有其他R实例打开,并且在安装包时加载这些包。 – topepo