R tricks
- Convert data from long to wide format
- Fetch data from a PostgreSQL database
- Format a number with leading zeros
- Concatenate a list of data frames
- Start a Docker container with RStudio and geospatial tools
- Mutate all numeric columns in a data frame
- Quickly visualize an sf object
- Generate a hexagonal grid covering an sf object
- Generate a global rectangular grid with sf
- Set environment variables from a file
- Plot a world map in ggplot2
- Use a string as variable name in a formula
- Read data from a Google Sheet
- Write a data frame to a PostgreSQL table
- Convert sf geometries to WKT