Package: PanelMatch
Type: Package
Title: Matching Methods for Causal Inference with Time-Series
        Cross-Sectional Data
Version: 1.0.1
Date: 2020-02-10
Authors@R: c(
  person("In Song", "Kim", email = "insong@mit.edu", role = c("aut", "cre")),
  person("Adam", "Rauh", email = "amrauh@umich.edu", role = c("aut")),
  person("Erik", "Wang", email = "haixiaow@Princeton.edu", role = c("aut")),
  person("Kosuke", "Imai", email = "imai@harvard.edu", role = c("aut"))
  )
Description: Implements a set of methodological tools that enable
        researchers to apply matching methods to time-series
        cross-sectional data. Imai, Kim, and Wang (2018)
        <http://web.mit.edu/insong/www/pdf/tscs.pdf> proposes a
        nonparametric generalization of the difference-in-differences
        estimator, which does not rely on the linearity assumption as
        often done in practice. Researchers first select a method of
        matching each treated observation for a given unit in a
        particular time period with control observations from other
        units in the same time period that have a similar treatment and
        covariate history. These methods include standard matching
        methods based on propensity score and Mahalanobis distance, as
        well as weighting methods. Once matching is done, both
        short-term and long-term average treatment effects for the
        treated can be estimated with standard errors. The package also
        offers a visualization technique that allows researchers to
        assess the quality of matches by examining the resulting
        covariate balance.
License: GPL(>= 3)
Imports: Rcpp (>= 0.12.5), data.table, ggplot2, CBPS, stats, graphics,
        grDevices, MASS, Matrix, methods
Depends: R (>= 2.14.0)
SystemRequirements: C++11
LinkingTo: RcppArmadillo, Rcpp, RcppEigen
Encoding: UTF-8
LazyData: true
BugReports: https://github.com/insongkim/PanelMatch/issues
RoxygenNote: 7.1.0
Suggests: knitr, rmarkdown, testthat (>= 2.1.0)
VignetteBuilder: knitr
Repository: https://insongkim.r-universe.dev
Date/Publication: 2025-02-27 22:41:44 UTC
RemoteUrl: https://github.com/insongkim/panelmatch
RemoteRef: HEAD
RemoteSha: 20b1fb54f19ea76a7281d9671937fb7f095eace2
NeedsCompilation: yes
Packaged: 2026-07-07 05:41:56 UTC; root
Author: In Song Kim [aut, cre],
  Adam Rauh [aut],
  Erik Wang [aut],
  Kosuke Imai [aut]
Maintainer: In Song Kim <insong@mit.edu>