# Author:: Sergio Fierens # License:: MPL 1.1 # Project:: ai4r # Url:: http://ai4r.rubyforge.org/ # # You can redistribute it and/or modify it under the terms of # the Mozilla Public License version 1.1 as published by the # Mozilla Foundation at http://www.mozilla.org/MPL/MPL-1.1.txt require File.dirname(__FILE__) + '/../../lib/ai4r/classifiers/id3' # Load data from data_set.csv data_filename = "#{File.dirname(__FILE__)}/data_set.csv" data_set = Ai4r::Data::DataSet.new.load_data_and_labels_from_csv data_filename # Build ID3 tree id3 = Ai4r::Classifiers::ID3.new.build(data_set) # Show rules puts "Discovered rules are:" puts id3.get_rules puts # Try to predict some values puts "Prediction samples:" puts "['Moron Sur (GBA)','4','[86 m2 - 100 m2]'] => " + id3.eval(['Moron Sur (GBA)','4','[86 m2 - 100 m2]']) puts "['Moron Sur (GBA)','3','[101 m2 - 125 m2]'] => " + id3.eval(['Moron Sur (GBA)','3','[101 m2 - 125 m2]']) puts "['Recoleta (CABA)','3','[86 m2 - 100 m2]'] => " + id3.eval(['Recoleta (CABA)','3','[86 m2 - 100 m2]',]) puts "['Tigre (GBA)','3','[71 m2 - 85 m2]'] => " + id3.eval(['Tigre (GBA)','3','[71 m2 - 85 m2]',])