us_cities()
now returns an sf
object rather than a data frame (#36).us_cities()
gains a states
argument to match other functions in the package (#35).sf
package.us_boundaries()
function was a needless wrapper around other functions.sf
objects.us_boundaries()
function no longer has an option to return a fortified data frame. It is assumed that users will convert the SpatialPolygonsDataFrame
objects to whatever format they need.us_boundaries()
returns an sp object or a data frame which can be
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