Things are moving along in the COVID19 world in Melbourne, and the latest numbers we are discussing are the 14 day and 7 day averages. The aim is to get the 14 day average below 5 cases, but people are starting to report the current 7 day average, since this is also encouraging and interesting. So let’s explore how to do sliding averages. We’ll use the covid scraping code from a previous blog post on scraping covid data (I don’t think I’ll put this into yet another R package, but I’m …