Sha256: 238d5fb12d65da0fdd17f54914718342c881a5b2b593c73c76820ef9c8c4a3e3
Contents?: true
Size: 956 Bytes
Versions: 9
Compression:
Stored size: 956 Bytes
Contents
require 'earth/fuel/data_miner' AutomobileMakeYearFleet.class_eval do data_miner do import "annual corporate average fuel economy data for domestic and imported vehicle fleets from the NHTSA", :url => 'https://spreadsheets.google.com/pub?key=0AoQJbWqPrREqdEdXWXB6dkVLWkowLXhYSFVUT01sS2c&hl=en&gid=0&output=csv', :errata => { 'url' => 'http://static.brighterplanet.com/science/data/transport/automobiles/make_fleet_years/errata.csv' }, :select => lambda { |row| row['volume'].to_i > 0 } do key 'name', :synthesize => lambda { |row| [ row['manufacturer_name'], row['year_content'], row['fleet'][2,2] ].join ' ' } store 'make_name', :field_name => 'manufacturer_name' store 'year', :field_name => 'year_content' store 'fleet', :chars => 2..3 # zero-based store 'fuel_efficiency', :from_units => :miles_per_gallon, :to_units => :kilometres_per_litre store 'volume' end end end
Version data entries
9 entries across 9 versions & 1 rubygems