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Estimates the local average treatment effect (LATE) and the local average treatment effect on the treated (LATT) using observational data with a binary instrument, implementing the complete estimator suite of Sloczynski, Uysal, and Wooldridge: the doubly robust estimators of Sloczynski, Uysal, and Wooldridge (2022) <doi:10.48550/arXiv.2208.01300> – inverse probability weighted regression adjustment (IPWRA), inverse probability weighting (IPW), augmented inverse probability weighting (AIPW), and regression adjustment (RA) – and the Abadie-kappa weighting estimators of Sloczynski, Uysal, and Wooldridge (2025) <doi:10.1080/07350015.2024.2332763>. Supports linear, logistic, probit, Poisson, and fractional (fractional-logit and fractional-probit) outcome and treatment models, and instrument propensity scores estimated by maximum likelihood, covariate balancing (CBPS), or inverse probability tilting (IPT). Standard errors are computed jointly for all estimation stages by stacking the moment conditions of every model into a single M-estimation system; weak-instrument-robust Fieller confidence sets, cluster-aware bootstrap inference, design diagnostics, and a doubly robust Hausman-type test of unconfoundedness are included. Estimates and standard errors are validated against the authors' Stata commands 'drlate' (Statistical Software Components S459708) and 'kappalate' (S459257).
| Version: | 0.3.1 |
| Depends: | R (≥ 4.1) |
| Imports: | stats, numDeriv |
| Suggests: | ggplot2, testthat (≥ 3.0.0), knitr, rmarkdown, haven |
| Published: | 2026-06-24 |
| DOI: | 10.32614/CRAN.package.drlate (may not be active yet) |
| Author: | Kailas Venkitasubramanian [aut, cre], S. Derya Uysal [ctb, cph] (Author of the original Stata package 'drlate'), Tymon Sloczynski [ctb, cph] (Author of the original Stata package 'drlate'), Jeffrey M. Wooldridge [ctb, cph] (Author of the original Stata package 'drlate') |
| Maintainer: | Kailas Venkitasubramanian <kailasv at gmail.com> |
| BugReports: | https://github.com/kvenkita/drlate/issues |
| License: | MIT + file LICENSE |
| URL: | https://github.com/kvenkita/drlate, https://kvenkita.github.io/drlate/ |
| NeedsCompilation: | no |
| Language: | en-US |
| Citation: | drlate citation info |
| Materials: | README, NEWS |
| CRAN checks: | drlate results |
| Reference manual: | drlate.html , drlate.pdf |
| Vignettes: |
A primer: doubly robust LATE estimation, from intuition to practice (source, R code) Doubly robust estimation of the LATE and LATT with drlate (source, R code) |
| Package source: | drlate_0.3.1.tar.gz |
| Windows binaries: | r-devel: not available, r-release: drlate_0.3.1.zip, r-oldrel: not available |
| macOS binaries: | r-release (arm64): drlate_0.3.1.tgz, r-oldrel (arm64): drlate_0.3.1.tgz, r-release (x86_64): drlate_0.3.1.tgz, r-oldrel (x86_64): drlate_0.3.1.tgz |
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