code: def __init__(self, explainer):
      self.explainer = explainer
      indexes = np.apply_along_axis(
          lambda x, y: not (x == y).all(),
          0,
          explainer.data,
          explainer.y,
      )
      self.variables = explainer.data.columns[indexes]
  
imports: from abc import ABC, abstractmethod
  import numpy
  import math
  from pandas.api.types import is_numeric_dtype, is_bool_dtype, is_object_dtype
label_desc: Use image node_id 1 to create a new ModelParam object from inherited base classes: Param with example: obj = ModelParam(explainer)