Can LLMs Leverage Observational Data? Towards Data-Driven Causal Discovery with LLMs

• URL: http://arxiv.org/abs/2504.10936v1
• Date: Tue, 15 Apr 2025 07:32:35 GMT
• Title: Can LLMs Leverage Observational Data? Towards Data-Driven Causal Discovery with LLMs
• Authors: Yuni Susanti, Michael Färber,
• Abstract summary: Causal discovery traditionally relies on statistical methods applied to observational data.<n>Recent advancements in Large Language Models (LLMs) have introduced new possibilities for causal discovery.
• Score: 10.573861741540853
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Causal discovery traditionally relies on statistical methods applied to observational data, often requiring large datasets and assumptions about underlying causal structures. Recent advancements in Large Language Models (LLMs) have introduced new possibilities for causal discovery by providing domain expert knowledge. However, it remains unclear whether LLMs can effectively process observational data for causal discovery. In this work, we explore the potential of LLMs for data-driven causal discovery by integrating observational data for LLM-based reasoning. Specifically, we examine whether LLMs can effectively utilize observational data through two prompting strategies: pairwise prompting and breadth first search (BFS)-based prompting. In both approaches, we incorporate the observational data directly into the prompt to assess LLMs' ability to infer causal relationships from such data. Experiments on benchmark datasets show that incorporating observational data enhances causal discovery, boosting F1 scores by up to 0.11 point using both pairwise and BFS LLM-based prompting, while outperforming traditional statistical causal discovery baseline by up to 0.52 points. Our findings highlight the potential and limitations of LLMs for data-driven causal discovery, demonstrating their ability to move beyond textual metadata and effectively interpret and utilize observational data for more informed causal reasoning. Our studies lays the groundwork for future advancements toward fully LLM-driven causal discovery.

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