load_evaluator#
- langchain.evaluation.loading.load_evaluator(evaluator: EvaluatorType, *, llm: BaseLanguageModel | None = None, **kwargs: Any) Chain | StringEvaluator [source]#
Load the requested evaluation chain specified by a string.
- Parameters:
evaluator (EvaluatorType) – The type of evaluator to load.
llm (BaseLanguageModel, optional) – The language model to use for evaluation, by default None
**kwargs (Any) – Additional keyword arguments to pass to the evaluator.
- Returns:
The loaded evaluation chain.
- Return type:
Examples
>>> from langchain.evaluation import load_evaluator, EvaluatorType >>> evaluator = load_evaluator(EvaluatorType.QA)