AirConditionerUse.class_eval do data_miner do schema do string 'name' float 'fugitive_emission' string 'fugitive_emission_units' end process "derive from ResidentialEnergyConsumptionSurveyResponse" do ResidentialEnergyConsumptionSurveyResponse.run_data_miner! connection.execute %{ INSERT IGNORE INTO air_conditioner_uses(name) SELECT DISTINCT recs_responses.central_ac_use FROM recs_responses WHERE LENGTH(recs_responses.central_ac_use) > 0 } end import "Ian's precalculated fugitive emissions values", :url => 'http://spreadsheets.google.com/pub?key=ri_380yQZAqBKeqie_TECgg' do key 'name', :field_name => 'air_conditioner_use_name' store 'fugitive_emission', :units_field_name => 'unit', :to_units => :kilograms_per_square_metre end end end