class_docstr: CaseEvaluationResults stores aggregated statistics for one EvaluationCase and one metric.
class_docstr_tok: ["CaseEvaluationResults","stores","aggregated","statistics","for","one","EvaluationCase","and","one","metric","."]
docstr: :param fold: id of fold to get result
  :return: best metric value, best metric iteration
docstr_tok: [":","param","fold",":","id","of","fold","to","get","result",":","return",":","best","metric","value",",","best","metric","iteration"]
code: def get_best_metric_for_fold(self, fold):
      """
  
      :param fold: id of fold to get result
      :return: best metric value, best metric iteration
      """
      return self._fold_metric[fold], self._fold_metric_iteration[fold]
  
imports: import numpy
  import pandas
  from enum import Enum
  from ..None import CatBoostError
  from ..core import metric_description_or_str_to_str
  from ..utils import compute_wx_test
label_desc: Use image node_id 6 for calling the CaseEvaluationResult obj's underlying member method code with example usage: obj.get_best_metric_for_fold(fold) and returns: self,  self