SYMBOL INDEX (17 symbols across 4 files)

FILE: Chapter 12/extract_posts.py
  class ExtractPosts (line 9) | class ExtractPosts(MRJob):
    method mapper (line 14) | def mapper(self, key, line):

FILE: Chapter 12/nb_predict.py
  class NaiveBayesTrainer (line 11) | class NaiveBayesTrainer(MRJob):
    method steps (line 13) | def steps(self):
    method extract_words_mapping (line 20) | def extract_words_mapping(self, key, value):
    method reducer_count_words (line 33) | def reducer_count_words(self, key, counts):
    method predict_mapper (line 38) | def predict_mapper(self, key, value):
    method ratio_mapper (line 45) | def ratio_mapper(self, word, value):
    method sorter_reducer (line 52) | def sorter_reducer(self, key, values):

FILE: Chapter 12/nb_train.py
  class NaiveBayesTrainer (line 11) | class NaiveBayesTrainer(MRJob):
    method steps (line 13) | def steps(self):
    method extract_words_mapping (line 20) | def extract_words_mapping(self, key, value):
    method reducer_count_words (line 33) | def reducer_count_words(self, key, counts):
    method compare_words_reducer (line 38) | def compare_words_reducer(self, word, values):
    method ratio_mapper (line 45) | def ratio_mapper(self, word, value):
    method sorter_reducer (line 52) | def sorter_reducer(self, key, values):

FILE: Chapter 5/adult_tests.py
  function test_meandiscrete (line 4) | def test_meandiscrete():