Calculating Population Within Spatial Buffers in PostgreSQL

Calculating Distances Between Latitude and Longitude in Two Separate Datasets Using Haversine Formula and R Programming Language

How to Save a ggplot2 Coordinate Map Chart in Shapefile Format Using R

Projecting Quartered Circles with a 50km Radius in R using sf Package

Extracting Polygons from Ashape Objects with R: A Step-by-Step Guide