Exercise

Converting sf objects to sp objects

In order to convert an sf object to an sp object (which has a Spatial class) you can use the as() function with Class = "Spatial". To convert back to sf you can use st_as_sf() and accept the defaults.

Instructions

100 XP

Read in the trees shapefile ("trees.shp").
Convert the sf object trees to an sp object (class Spatial) with as().
Use the class() function to confirm the conversion.
Convert your new Spatial object back to sf with st_as_sf()
Use the class() function to confirm the conversion.