switch to bionic aka 18.04 which is less behind the times than
trusty (14.04) or xenial (16.04) which are also available
this can be reverted
remove the addition of the (outdated, I think) 'edd/misc' PPA; should you need
or want packages I have two other ones but the (new, used from r-travis.sh)
Rutter PPA should have you covered
sets the R_VERSION variable to R 4.0. You can also opt into 3.5 which I do
in one or two repos to have a matrix; I am mostly content with 4.0 only
If you were to merge this I can easily rebase #337 off it, or vice versa. This one is of course simpler.
This PR does three things
If you were to merge this I can easily rebase #337 off it, or vice versa. This one is of course simpler.