ubuntu 镜像站点上尚不存在适用于 Ubuntu Xenial (16.04) 的 R 3.5.0 安装包。是否有其他方法可以在 ubuntu xenial 上将 R 更新到 3.5.0？或者，是否有不同的方法将 R 更新到 3.5.0？
我希望能够为 Ubuntu 18.04 安装最新的稳定 R 版本，我安装了 ubuntu 版本，因此我将其删除，然后按照此链接中的几个指南进行操作。
无论我做什么，当我发出以下输出时sudo apt-get install r-base：
sudo apt install r-base
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The …