PRIO-GRID version 3 is currently under development. Follow this space.
Please see the legacy branch for the source code for PRIO-GRID v2, and https://grid.prio.org for data from version 2. The legacy3alpha contains code for a pilot to PRIO-GRID v3.
We rely on the simple-features and terra packages. Please see these packages for installation.
devtools::install_github("prio-data/priogrid")