class_docstr: Base results class.
class_docstr_tok: ["Base","results","class","."]
docstr: Iterate over registry of results object.
docstr_tok: ["Iterate","over","registry","of","results","object","."]
code: def _iter(self):
      """Iterate over registry of results object."""
      for strategy_name in self.strategy_names:
          for dataset_name in self.dataset_names:
              yield strategy_name, dataset_name
  
imports: import os
  from abc import ABC, abstractmethod
  from warnings import warn
  import numpy
  from joblib import dump, load
label_desc: Use image node_id 12 for calling the BaseResults obj's underlying member method code with example usage: obj._iter() without return types