Updating r ubuntu
(So this has nothing to do with the difference between development version and stable version for instance).
All it means is that you have access to the updates as soon as they are released rather than have to wait for months until the folks working for your distro put all the udpates of the past x months together into a distro update.
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The package offers a set of R functions for the installation and updating of software (currently, only on Windows OS), with a special focus on R itself. You can see the latest version of installr on github, where you can also submit bug reports (you may also just leave a comment in this post).
I do mine at least once a week (it doesn't take much time at all).
Of note: "rolling update" doesn't mean that the updates are any less stable than in a fixed update system like Ubuntu.
I update normally through a package manager, or CLI (apt get update), instead of always compiling packages myself. You can check yourself at https://cran.r-project.org/bin/linux/ubuntu/xenial/ - look for r-base_3.5.0 (it is not there) Any #rstats users out there running Ubuntu: I recommend *holding your horses* on upgrade to R 3.5.0.After a whole life removing software imposed to me and which I didn't want or need, it was refreshing to start from a clean place and add what I want.The total "customizability" felt like emacs at the OS level. But obviously these are perfectly personal choices and had I gotten started with another distro, I have no doubt that I would love it too.You need to edit that file to change the default release to "xenail-cran35", or do something more pointed using apt preference files (https://wiki.debian.org/Apt Preferences#A.2Fetc.2Fapt.2Fpreferences).This is basically R's fault for having a poorly formatted repo.
So if an update is going to break your system, it will do so whether you get it right away or whether you wait for it for 6 months and then get it.