Working with Map Projections and Shapefiles in R
No need to settle for the mapping defaults in R. Apply map projections to show geographic data in a way most suitable for your work.
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Mapping With Shapefiles in R – Getting Started
Geographic data is often available as a shapefile, and there’s plenty of heavy software to get that data in a map. R is an open source option, and as a bonus, much of the work can be done in a few lines of code.
Choropleth Maps and Shapefiles in R
Fill those empty polygons with color, based on shapefile or external data.
How to Make Baseline Charts in R
By shifting the baseline to a reference point, you can focus a line chart on relative change, which can improve the visibility of smaller categories.