LangChain - Evaluation and Testing
Which code snippet correctly initializes an evaluation example for LangChain's QA evaluation?
Which code snippet correctly initializes an evaluation example for LangChain's QA evaluation?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Import the Example class
The correct class to create evaluation examples isExamplefromlangchain.schema.example.Step 2: Initialize with correct parameters
TheExampleclass requiresinputandoutputparameters for question and answer respectively.Final Answer:
from langchain.schema.example import Example example = Example(input="What is AI?", output="Artificial Intelligence") correctly usesExample(input=..., output=...).Quick Check:
Check for correct import and parameter names [OK]
Quick Trick: Use Example(input=..., output=...) for evaluation examples [OK]
Common Mistakes:
MISTAKES- Using incorrect parameter names like 'answer' instead of 'output'
- Not importing Example from the correct module
- Confusing QAEvalChain with Example class
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