class_docstr: Transformers that create new exog features from the endog or exog array
  
  Parameters
  ----------
  prefix : str or None, optional (default=None)
      The feature prefix
code: def __init__(self, prefix=None):
      self.prefix = prefix
  
file_path: pmdarima/pmdarima/preprocessing/exog/base.py
imports: import pandas
  import numpy
  import abc
  from ..base import BaseTransformer
label_desc: Use image node_id 1 to create a new BaseExogFeaturizer object from inherited base classes: BaseExogTransformer with example: obj = BaseExogFeaturizer(prefix)