An introduction to Causal Modelling

• URL: http://arxiv.org/abs/2506.16486v2
• Date: Thu, 26 Jun 2025 06:46:06 GMT
• Title: An introduction to Causal Modelling
• Authors: Gauranga Kumar Baishya,
• Abstract summary: This tutorial provides a concise introduction to modern causal modeling by integrating potential outcomes and graphical methods.<n> Emphasis is placed on clear notation, intuitive explanations, and practical examples for applied researchers.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This tutorial provides a concise introduction to modern causal modeling by integrating potential outcomes and graphical methods. We motivate causal questions such as counterfactual reasoning under interventions and define binary treatments and potential outcomes. We discuss causal effect measures-including average treatment effects on the treated and on the untreated-and choices of effect scales for binary outcomes. We derive identification in randomized experiments under exchangeability and consistency, and extend to stratification and blocking designs. We present inverse probability weighting with propensity score estimation and robust inference via sandwich estimators. Finally, we introduce causal graphs, d-separation, the backdoor criterion, single-world intervention graphs, and structural equation models, showing how graphical and potential-outcome approaches complement each other. Emphasis is placed on clear notation, intuitive explanations, and practical examples for applied researchers.

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