r - How do I change the polygon fill color and border color for SpatialPolygons objects? - Geographic Information Systems Stack Exchange

I have SpatialPolygons or SpatialPolygonsDataFrames which I'd like to plot. How do I change the color using the three plotting systems in R (base graphics, lattice graphics, and ggplot2)? Example

Identify area within one shapefile not in another shapefile in R - Geographic Information Systems Stack Exchange

r - Adding Boundaries to Spatial Polygons Object - Stack Overflow

geopandas - Colorizing polygons based on color values in dataframe column? - Geographic Information Systems Stack Exchange

r - SpatialPolygonDataFrame plotting using ggplot - Stack Overflow

How to store the colors of SpatialPolygons in R - Stack Overflow

maps - Changing/adding spatial boundaries/polygon shapefile R - Stack Overflow

How to make gradient color filled timeseries plot in R - Stack Overflow

qgis - Change color polygons by area of polygons - Geographic Information Systems Stack Exchange

qgis - Changing polygon boundary thickness/color - Geographic Information Systems Stack Exchange

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r - How do I change the polygon fill color and border color for

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