code: def __init__(self):
      self.m = None
      self.L = None
      self.c = None
      self.by_levels = None
      self.cov = None
      self.share_cov = None
      self.scale = None
      self.iso = None
      self.drop_first = None
      self.centered = None
      self.mean = None
      self.maximum_distance = None
      self.params_set = False
      self.variables_n = None
      self.groups_n = None
  
file_path: bambi/bambi/transformations.py
imports: import numpy
  import pandas
  from formulae.transforms import register_stateful_transform
label_desc: Use image node_id 1 to create a new HSGP object  with example: obj = HSGP()