From 287ff7a685e6094108a507a0049b56cc3a32421d Mon Sep 17 00:00:00 2001
From: Danielius <danielius@wisemonks.com>
Date: Sun, 22 Nov 2015 19:12:51 +0200
Subject: [PATCH] Initialize attributes and typo fix

---
 examples/discrete-id3.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/discrete-id3.rb b/examples/discrete-id3.rb
index ef44020..6f06c79 100644
--- a/examples/discrete-id3.rb
+++ b/examples/discrete-id3.rb
@@ -5,6 +5,8 @@ require 'decisiontree'
 
 # Read in the training data
 training = []
+attributes = nil
+
 File.open('data/discrete-training.txt', 'r').each_line do |line|
   data = line.strip.split(',')
   attributes ||= data
@@ -45,7 +47,7 @@ File.open('data/discrete-test.txt', 'r').each_line do |line|
       v
     end
   end
-  training.push(test_data)
+  test.push(test_data)
 end
 
 # Let the tree predict the output and compare it to the true specified value