importing from rubyforge & cleanup

examples/simple.rb

@@ -0,0 +1,28 @@
+#!/usr/bin/ruby
+
+require 'rubygems'
+require 'decisiontree'
+ 
+attributes = ['Temperature']
+training = [
+  [36.6, 'healthy'],
+  [37, 'sick'],
+  [38, 'sick'],
+  [36.7, 'healthy'],
+  [40, 'sick'],
+  [50, 'really sick'],
+]
+ 
+# Instantiate the tree, and train it based on the data (set default to '1')
+dec_tree = DecisionTree::ID3Tree.new(attributes, training, 'sick', :continuous)
+dec_tree.train
+
+test = [37, 'sick']
+ 
+decision = dec_tree.predict(test)
+puts "Predicted: #{decision} ... True decision: #{test.last}";
+ 
+# Graph the tree, save to 'tree.png'
+dec_tree.graph("tree")
+
+