I know who I was when I got up this morning,
but I think I must have been changed several times since then
(Lewis Carroll)

The weird thing about this series is that there is an entire R package for it that I honestly cannot remember writing. According to the commit logs I released the source code sometime in May 2020. Like everything else about this year, the memories of doing this have just vanished into the general maelstrom of “life in 2020”.