Some thoughts on checking the R session

There is an ancient saying.

Okay, well, now that I think about it maybe it’s not so ancient: it’s only been around since 2017 or thereabouts. And actually it’s more of kind of friendly warning than it is a saying. And really it’s only used by a weird group of people who write R scripts and spend too much time on the internet, and I don’t know if that’s wide enough usage to justify such a mel...