code: def imdb(display=False):
      
  
      with open(cache(github_data_url + "imdb_train.txt")) as f:
          data = f.readlines()
      y = np.ones(25000, dtype=np.bool)
      y[:12500] = 0
      return data, y
docs: Return the clssic IMDB sentiment analysis training data in a nice package.
  
      Full data is at: http://ai.stanford.edu/~amaas/data/sentiment/aclImdb_v1.tar.gz
      Paper to cite when using the data is: http://www.aclweb.org/anthology/P11-1015