getZips: getZips returns the list of zip codes as a character vector which have zip codes which fall in a specified radius in lower case format for use in choroplethrZip
Description
getZips returns the list of zip codes as a character vector which have zip codes which fall in a specified radius in lower case format for use in choroplethrZip
Usage
getZips(zipcode, radius)
Arguments
zipcode
the reference zip code of which you'd like the list of zip codes within a give radius as character
radius
the distance in miles from the center of the given zip to the center of the other zips as numeric