Create a visualization of TDoR data over time

[hturner]

Some examples from TDoR 2018 (created for TidyTuesday):

Static calendar viz - deaths by year, categorised by cause of death, for regions of the US
https://twitter.com/harrocyranka/status/1065002250509189126?s=20

US Map GIF - locations of where people died, animated over years
https://twitter.com/harrocyranka/status/1065002690940268544?s=20

Global map GIF - countries colour-coded by number of deaths, animated over years
https://twitter.com/jspairani/status/1065582634091335686?s=20