Category "tmap"

Multiple layers on TMAP

I have a dataframe looking like this: dataframe Id is the zip code and the columns go from 2015 to 2019. Link to download the database (with the .shp file neede

Error in tmap projection: invalid crs: hd

When I try to draw a map with a Hobo–Dyer projection, it told me: Error in st_crs.character(x[[shape.id[masterID]]]$projection) : invalid crs: hd Here