A python library with tools to perform causal inference using observational data when the treatment of interest is continuous.
Project description
causal-curve
Python tools to perform causal inference using observational data when the treatment of interest is continuous.
The Antikythera mechanism, an ancient analog computer, with lots of beautiful curves.
Table of Contents
Overview
There are many implemented methods to perform causal inference when your intervention of interest is binary, but few methods exist to handle continuous treatments.
This is unfortunate because there are many scenarios (in industry and research) where these methods would be useful. For example, when you would like to:
- Estimate the causal response to increasing or decreasing the price of a product across a wide range.
- Understand how the number of minutes per week of aerobic exercise causes positive health outcomes.
- Estimate how decreasing order wait time will impact customer satisfaction, after controlling for confounding effects.
- Estimate how changing neighborhood income inequality (Gini index) could be causally related to neighborhood crime rate.
This library attempts to address this gap, providing tools to estimate causal curves (AKA causal dose-response curves).
Installation
pip install causal-curve
Documentation
Documentation is available at readthedocs.org
Contributing
Your help is absolutely welcome! Please do reach out or create a feature branch!
Citation
Kobrosly, R. W., (2020). causal-curve: A Python Causal Inference Package to Estimate Causal Dose-Response Curves. Journal of Open Source Software, 5(52), 2523, https://doi.org/10.21105/joss.02523
References
Galagate, D. Causal Inference with a Continuous Treatment and Outcome: Alternative Estimators for Parametric Dose-Response function with Applications. PhD thesis, 2016.
Moodie E and Stephens DA. Estimation of dose–response functions for longitudinal data using the generalised propensity score. In: Statistical Methods in Medical Research 21(2), 2010, pp.149–166.
Hirano K and Imbens GW. The propensity score with continuous treatments. In: Gelman A and Meng XL (eds) Applied bayesian modeling and causal inference from incomplete-data perspectives. Oxford, UK: Wiley, 2004, pp.73–84.
van der Laan MJ and Gruber S. Collaborative double robust penalized targeted maximum likelihood estimation. In: The International Journal of Biostatistics 6(1), 2010.
van der Laan MJ and Rubin D. Targeted maximum likelihood learning. In: U.C. Berkeley Division of Biostatistics Working Paper Series, 2006.
Imai K., Keele L., Tingley D. A General Approach to Causal Mediation Analysis. Psychological Methods. 15(4), 2010, pp.309–334.
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