Minor update to documentation.

    return loader.featurize(input_file, self.data_dir)

  def load_gaussian_cdf_data(self):

    """Load example with numerical features sampled from Gaussian normal distribution."""

    """Load example with numbers sampled from Gaussian normal distribution.

       Each feature and task is a column of values that is sampled

       from a normal distribution of mean 0, stdev 1."""

    if os.path.exists(self.data_dir):

      shutil.rmtree(self.data_dir)

    features = ["feat0","feat1"]