Marcus Russi

The chart is very interesting (and a fun usage of Plot.arrow). It would be great for an external reader to know what topic it is about.

This is some research-in-progress about all the revisions that have been made to U.S. covid data. Not polished/finished, yet but check out another one of our figures for a bit more context:

https://observablehq.com/@marcusrussi/state-data-revisions-draft-graphic

In general trying to visualize revisions to timeseries data is an interesting and often confusing exercise.