Rstudio 中install.packages失败解决方式

问题

Warning in install.packages : InternetOpenUrl failed: ''Warning in install.packages : InternetOpenUrl failed: ''Warning in install.packages : unable to access index for repository https://mirrors.tuna.tsinghua.edu.cn/CRAN/src/contrib: cannot open URL 'https://mirrors.tuna.tsinghua.edu.cn/CRAN/src/contrib/PACKAGES’Warning in install.packages : InternetOpenUrl failed: ''Warning in install.packages : InternetOpenUrl failed: ''Warning in install.packages : unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/src/contrib: cannot open URL ‘http://www.stats.ox.ac.uk/pub/RWin/src/contrib/PACKAGES’

解决方法

进入到R的安装目录，编辑/etc/Rprofile.site
添加 options(download.file.method=“libcurl”)
这样就解决啦