class_docstr: Creates random exog features. This is just used to test base func
class_docstr_tok: ["Creates","random","exog","features",".","This","is","just","used","to","test","base","func"]
code: def _get_prefix(self):
      return "RND"
  
file_path: pmdarima/pmdarima/preprocessing/exog/tests/test_base.py
imports: from pmdarima.preprocessing.exog import base
  from pmdarima import datasets
  import numpy
  import pandas
label_desc: Use image node_id 1 for calling the RandomExogFeaturizer obj's underlying member method code with example usage: obj._get_prefix() and returns: str