我正在尝试在 Ubuntu 机器上安装 R 包“proto”。
但是,我遇到了以下错误...
Warning in install.packages :
URL 'https://cran.rstudio.com/src/contrib/proto_0.3-10.tar.gz': status was '404 Not Found'
Error in download.file(url, destfile, method, mode = "wb", ...) :
cannot download all files
Warning in install.packages :
download of package ‘proto’ failed