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Implements weighted double score matching (WDSM) for estimating population-level causal effects from complex survey data. Combines propensity scores and prognostic scores with survey design weights for matching, survey-weighted imputation within match sets, and Hajek normalization to target the population average treatment effect (PATE) and the population average treatment effect on the treated (PATT). Supports both retrospective (treatment-dependent) and prospective (treatment-independent) sampling designs. Uses propensity probabilities and arm-specific prognostic scores for matching, with a complete quadratic bias correction in each arm's double score. Provides linearization-based multinomial replication variance estimates and centered normal Wald confidence intervals, retaining the original matching reuse coefficients without re-matching. Supplied scores can be held fixed for inference conditional on those scores. This weight-only interface does not encode survey strata, clusters, or design-specific replicate weights.
| Version: | 0.2.1 |
| Depends: | R (≥ 3.6.0) |
| Imports: | stats |
| Suggests: | testthat (≥ 3.0.0), knitr, rmarkdown |
| Published: | 2026-09-20 |
| DOI: | 10.32614/CRAN.package.wdsmatch |
| Author: | Yukang Zeng [aut, cre], Guangyu Tong [aut], Jiaqi Tong [aut], Haidong Lu [aut], Bhramar Mukherjee [aut], Fan Li [aut] |
| Maintainer: | Yukang Zeng <ykzeng2019 at gmail.com> |
| License: | GPL-3 |
| URL: | https://cran.r-project.org/package=wdsmatch |
| NeedsCompilation: | no |
| Materials: | NEWS |
| CRAN checks: | wdsmatch results |
| Reference manual: | wdsmatch.html , wdsmatch.pdf |
| Package source: | wdsmatch_0.2.1.tar.gz |
| Windows binaries: | r-devel: wdsmatch_0.2.1.zip, r-release: wdsmatch_0.2.0.zip, r-oldrel: wdsmatch_0.2.1.zip |
| macOS binaries: | r-release (arm64): wdsmatch_0.2.1.tgz, r-oldrel (arm64): wdsmatch_0.2.1.tgz, r-release (x86_64): wdsmatch_0.2.1.tgz, r-oldrel (x86_64): wdsmatch_0.2.1.tgz |
| Old sources: | wdsmatch archive |
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