docs: def load_data(data_file_name, dillFile=False):
      """Loads data from module_path/data/data_file_name.
      Parameters
      ----------
      data_file_name : String. Name of csv or dill file to be loaded from
      module_path/data/data_file_name. For example 'salt_info.csv'.
      Returns
      -------
      data : Pandas DataFrame
          A data frame. For example with each row representing one
          salt and each column representing the features of a given
          salt.
      """
      module_path = dirname(__file__)
      if dillFile:
          with open(join(module_path, 'data', data_file_name), 'rb') as \
                  dill_file:
              data = dill.load(dill_file)
      else:
          with open(join(module_path, 'data', data_file_name), 'rb') as csv_file:
              data = pd.read_csv(csv_file, encoding='latin1')
      return data