Difference-in-Differences with Bad Controls R package badcontrols version 1.0.1 Implements methods for difference-in-differences with bad controls, i.e., time-varying covariates that are affected by the treatment. Provides imputation, doubly robust, and machine learning estimators that are based on Caetano, Callaway, Payne, and Sant'Anna (2026) <doi:10.48550/arXiv.2608.03881>. Software Depends: R (>= 4.1.0) Imports: ptetools (>= 1.0.1), stats Suggests: grf (>= 2.0.0), testthat (>= 3.0.0), knitr, quarto Hugo Sant'Anna <hsantanna@uab.edu> Comprehensive R Archive Network (CRAN) Carolina Caetano [aut], Brantly Callaway [aut], Stroud Payne [aut], Hugo Sant'Anna [aut, cre] GPL (>= 3) 2026-09-12 application/tgz https://CRAN.R-project.org/package=badcontrols doi:10.32614/CRAN.package.badcontrols