def print_dict(self):
		sorted_values = sorted(self.word_dict.values(), 
				       key=lambda ngram: ngram.frequency)
		for value in sorted_values:
		    NGram.print_attrib(value)
 def print_stats(self):
     for value in self.word_dict.values():
         if value.sentiment_val > 2 or \
         value.sentiment_val < -2 or \
         value.topic_ref_count > 2:
             NGram.print_attrib(value)
 def print_dict(self):
     sorted_values = sorted(self.word_dict.values(),
                            key=lambda ngram: ngram.sentiment_val)
     for value in sorted_values:
         NGram.print_attrib(value)
 def print_stats(self):
     for value in self.word_dict.values():
         if value.sentiment_val > 2 or \
         value.sentiment_val < -2 or \
         value.topic_ref_count > 2: 
             NGram.print_attrib(value)