The Ultimate Checklist for Evaluating Retrieval-Augmented Generation
Blog post from Vectorize
Evaluating retrieval-augmented generation (RAG) systems involves a comprehensive approach, focusing on data quality, retrieval, and generation components to ensure reliable and accurate outputs. The evaluation process emphasizes the importance of using high-quality, diverse, and up-to-date datasets while also considering the speed, accuracy, and fairness of the retrieval process across various query types and domains. The generation component should produce contextually appropriate responses aligned with user queries, which can be measured through metrics like perplexity and BLEU scores, as well as human feedback. Conducting thorough evaluations with diverse test datasets and comparing outputs to human-generated responses helps identify strengths and weaknesses, while addressing potential biases and data-related issues aids in refining the system. Scalability is crucial for long-term success, requiring the system to handle increasing data volumes and user loads. Continued monitoring and detailed analysis, using both quantitative and qualitative measures, are essential for ongoing improvement and optimization of RAG pipelines.