当我尝试加载ggplot2
时,遇到了以下错误。我试图卸载scales
并重新安装它,但不知何故,当我想要移除该软件包时,R找不到该软件包...
Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) :
namespace ‘scales’ 0.2.5 is already loaded, but >= 0.3.0 is required
In addition: Warning message:
package ‘ggplot2’ was built under R version 3.2.3
Error: package or namespace load failed for ‘ggplot2’
update.packages(checkBuilt = TRUE)
。 - user3710546