LangChain - Evaluation and Testing
Which of the following is the correct way to execute an evaluation on a LangChain chain object
my_chain using input {'text': 'Hi'}?Which of the following is the correct way to execute an evaluation on a LangChain chain object my_chain using input {'text': 'Hi'}?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the correct method
The LangChain chain object uses theevaluatemethod to run evaluations.Step 2: Check the required argument
The method requires aninput_datadictionary argument with the input values.Final Answer:
result = my_chain.evaluate(input_data={'text': 'Hi'}) is the correct syntax, which corresponds to result = my_chain.evaluate(input_data={'text': 'Hi'}).Quick Check:
Method name and argument format match official LangChain docs. [OK]
Quick Trick: Use evaluate(input_data={...}) to run chain evaluation [OK]
Common Mistakes:
MISTAKES- Using incorrect method names like run_evaluation or eval
- Passing input data as positional arguments instead of input_data dict
- Calling evaluate without any arguments
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