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DoubleML - Double Machine Learning in R <a href="https://docs.doubleml.org"><img src="man/figures/logo.png" align="right" width = "120" /></a>

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The R package DoubleML provides an implementation of the double / debiased machine learning framework of Chernozhukov et al. (2018). It is built on top of mlr3 and the mlr3 ecosystem (Lang et al., 2019).

Note that the R package was developed together with a python twin based on scikit-learn. The python package is also available on GitHub and PyPI version.

Documentation and maintenance

Documentation of functions in R: https://docs.doubleml.org/r/stable/reference/index.html

User guide: https://docs.doubleml.org

DoubleML is currently maintained by @PhilippBach and @SvenKlaassen.

Main Features

Double / debiased machine learning framework of Chernozhukov et al. (2018) for

The object-oriented implementation of DoubleML that is based on the R6 package for R is very flexible. The model classes DoubleMLPLR, DoubleMLPLIV, DoubleMLIRM and DoubleIIVM implement the estimation of the nuisance functions via machine learning methods and the computation of the Neyman orthogonal score function. All other functionalities are implemented in the abstract base class DoubleML. In particular functionalities to estimate double machine learning models and to perform statistical inference via the methods fit, bootstrap, confint, p_adjust and tune. This object-oriented implementation allows a high flexibility for the model specification in terms of …

It further can be readily extended with regards to

<figure> <img src="man/figures/oop.svg?raw=true" alt="OOP structure of the DoubleML package" /> <figcaption aria-hidden="true">OOP structure of the DoubleML package</figcaption> </figure>

Installation

Install the latest release from CRAN:

remotes::packages("DoubleML")

Install the development version from GitHub:

remotes::install_github("DoubleML/doubleml-for-r")

DoubleML requires

Contributing

DoubleML is a community effort. Everyone is welcome to contribute. To get started for your first contribution we recommend reading our contributing guidelines and our code of conduct.

Citation

If you use the DoubleML package a citation is highly appreciated:

Bach, P., Chernozhukov, V., Kurz, M. S., and Spindler, M. (2021), DoubleML - An Object-Oriented Implementation of Double Machine Learning in R, arXiv:2103.09603.

Bibtex-entry:

@misc{DoubleML2020,
      title={{DoubleML} -- {A}n Object-Oriented Implementation of Double Machine Learning in {R}}, 
      author={P. Bach and V. Chernozhukov and M. S. Kurz and M. Spindler and Sven Klaassen},
      year={2024},
      journal={Journal of Statistical Software},
      volume={108},
      number={3},
      pages= {1-56},
      doi={10.18637/jss.v108.i03},
      note={arXiv:\href{https://arxiv.org/abs/2103.09603}{2103.09603} [stat.ML]}
}

Acknowledgements

Funding by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) is acknowledged – Project Number 431701914.

References