class USGeo::MetropolitanDivision
Division
of very large metropolitian areas into groups of approximately 2.5 million people.
Public Class Methods
load!(uri = nil)
click to toggle source
# File lib/us_geo/metropolitan_division.rb, line 23 def load!(uri = nil) location = data_uri(uri || "metropolitan_divisions.csv") import! do load_data_file(location) do |row| load_record!(geoid: row["GEOID"]) do |record| record.name = row["Name"] record.cbsa_geoid = row["CBSA"] record.population = row["Population"] record.housing_units = row["Housing Units"] record.land_area = area_meters_to_miles(row["Land Area"]) record.water_area = area_meters_to_miles(row["Water Area"]) end end end end