def analysis(db_size,query,noise_percentage=0.5):
  db = create_db(db_size)
  augmented_db = modify_db(db,noise_percentage)
  true_output = query(db)
  augmented_output = query(augmented_db)
  analysis_output = (augmented_output - (1 - noise_percentage) * 0.5)/noise
  print ("size = %r orginal_db result = %r augmented_db result = %r deskewed analysis result = %r" %(db_size,true_output,augmented_output,analysis_output))