Causal and Counterfactual Views of Missing Data Models
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2022
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| _version_ | 1866917841420156928 |
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| author | Nabi, Razieh Bhattacharya, Rohit Shpitser, Ilya Robins, James M. |
| author_facet | Nabi, Razieh Bhattacharya, Rohit Shpitser, Ilya Robins, James M. |
| contents | It is often said that the fundamental problem of causal inference is a missing data problem -- the comparison of responses to two hypothetical treatment assignments is made difficult because for every experimental unit only one potential response is observed. In this paper, we consider the implications of the converse view: that missing data problems are a form of causal inference. We make explicit how the missing data problem of recovering the complete data law from the observed law can be viewed as identification of a joint distribution over counterfactual variables corresponding to values had we (possibly contrary to fact) been able to observe them. Drawing analogies with causal inference, we show how identification assumptions in missing data can be encoded in terms of graphical models defined over counterfactual and observed variables. We review recent results in missing data identification from this viewpoint. In doing so, we note interesting similarities and differences between missing data and causal identification theories. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2210_05558 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Causal and Counterfactual Views of Missing Data Models Nabi, Razieh Bhattacharya, Rohit Shpitser, Ilya Robins, James M. Methodology Machine Learning It is often said that the fundamental problem of causal inference is a missing data problem -- the comparison of responses to two hypothetical treatment assignments is made difficult because for every experimental unit only one potential response is observed. In this paper, we consider the implications of the converse view: that missing data problems are a form of causal inference. We make explicit how the missing data problem of recovering the complete data law from the observed law can be viewed as identification of a joint distribution over counterfactual variables corresponding to values had we (possibly contrary to fact) been able to observe them. Drawing analogies with causal inference, we show how identification assumptions in missing data can be encoded in terms of graphical models defined over counterfactual and observed variables. We review recent results in missing data identification from this viewpoint. In doing so, we note interesting similarities and differences between missing data and causal identification theories. |
| title | Causal and Counterfactual Views of Missing Data Models |
| topic | Methodology Machine Learning |
| url | https://arxiv.org/abs/2210.05558 |