In this video we create a fishnet grid over a set of points. We then use that grid to aggregate and map our points.
crimemapping R package / lessons: https://github.com/mpjashby/crimemapping/
R code: https://gist.github.com/JosiahParry/d0f244093eb700215d2a19e807022b60
0:00 - intro
0:48 - making an sf object
2:44 - a first grid
4:40 - making the fishnet
8:55 - aggregating to the fishnet
10:55 - mapping
12:00 - making a function