Create an instance of geoda-class from a 'sf' object returned
from 'st_read()' function. NOTE: The table content is NOT used to create an
instance of geoda-class.
sf_to_geoda(sf_obj, with_table =TRUE)
Arguments
sf_obj
An instance of 'sf' object
with_table
A boolean flag indicates if table is copied from sf object
to create geoda object. Default is TRUE.