lib/ai4r/classifiers/one_r.rb in ai4r-1.4 vs lib/ai4r/classifiers/one_r.rb in ai4r-1.5

@@ -23,10 +23,11 @@
     class OneR < Classifier
       
       attr_reader :data_set, :rule
 
       # Build a new OneR classifier. You must provide a DataSet instance
-      # as parameter.
+      # as parameter. The last attribute of each item is considered as 
+      # the item class.
       def build(data_set)
         data_set.check_not_empty
         @data_set = data_set
         if (data_set.num_attributes == 1) 
           @zero_r = ZeroR.new.build(data_set)