Package: wdsmatch
Type: Package
Title: Weighted Double Score Matching for Survey-Weighted Causal
        Inference
Version: 0.2.2
Authors@R: c(
    person("Yukang", "Zeng", email = "ykzeng2019@gmail.com", role = c("aut", "cre")),
    person("Guangyu", "Tong", role = "aut"),
    person("Jiaqi", "Tong", role = "aut"),
    person("Haidong", "Lu", role = "aut"),
    person("Bhramar", "Mukherjee", role = "aut"),
    person("Fan", "Li", email = "fan.f.li@yale.edu", role = "aut"))
Description: 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. The method is described by
        Zeng et al. (2026) <doi:10.48550/arXiv.2610.25870>.
License: GPL-3
Encoding: UTF-8
LazyData: true
RoxygenNote: 7.3.2
Depends: R (>= 3.6.0)
Imports: stats
Suggests: testthat (>= 3.0.0), knitr, rmarkdown
Config/testthat/edition: 3
URL: https://cran.r-project.org/package=wdsmatch,
        https://arxiv.org/abs/2610.25870
Repository: https://ykzeng-yale.r-universe.dev
Date/Publication: 2026-10-20 04:00:54 UTC
RemoteUrl: https://github.com/ykzeng-yale/wdsmatch
RemoteRef: HEAD
RemoteSha: e9352f344d10318c851664819dfe773d02c9e4d3
NeedsCompilation: no
Packaged: 2026-10-20 10:51:26 UTC; root
Author: Yukang Zeng [aut, cre],
  Guangyu Tong [aut],
  Jiaqi Tong [aut],
  Haidong Lu [aut],
  Bhramar Mukherjee [aut],
  Fan Li [aut]
Maintainer: Yukang Zeng <ykzeng2019@gmail.com>