code: def creep_data(data_set='creep_rupture'):
      
      if not data_available(data_set):
          download_data(data_set)
          path = os.path.join(data_path, data_set)
          tar_file = os.path.join(path, 'creeprupt.tar')
          tar = tarfile.open(tar_file)
          print('Extracting file.')
          tar.extractall(path=path)
          tar.close()
      all_data = np.loadtxt(os.path.join(data_path, data_set, 'taka'))
      y = all_data[:, 1:2].copy()
      features = [0]
      features.extend(range(2, 31))
      X = all_data[:, features].copy()
      return data_details_return({'X': X, 'y': y}, data_set)
docs: Brun and Yoshida's metal creep rupture data.