Sha256: 238d5fb12d65da0fdd17f54914718342c881a5b2b593c73c76820ef9c8c4a3e3
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Size: 956 Bytes
Versions: 9
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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