carrollrm/fillmap: Create maps with SpatialPolygons objects

This function offers several options for creating plots with SpatialPolygons objects. This can be a single plot or multiple plots. These multi-plots can have the same legend or individual legends. Additionally, the layout call within this function offers many options for improving the resulting figures. A new function in this package, fillmap2, offers continuous shading via the viridis package.

install.packages("remotes")
remotes::install_github("carrollrm/fillmap")