win10系统 刚装好R和Rstudio,R版本为4.0.0时,需要安装Rtools
https://cran.r-project.org/bin/windows/Rtools/rtools40-x86_64.exe
报错:(as ‘lib’ is unspecified)
解决:.libPaths() ##查看包的安装途径 .libPaths ("C:/Program Files/R/R-4.0.0/library")
报错:"C:/Program Files/R/R-4.0.0/library"' is not writable
解决:以管理器权限打开R
报错:unable to access index for repository /src/contrib...
解决:局域网设置
![](https://img.haomeiwen.com/i19482125/3e36cc85a4320bdd.png)
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