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‎rd2d/index.md‎

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- Help: [R Manual](https://cran.r-project.org/web/packages/rd2d/rd2d.pdf), [CRAN repository](https://cran.r-project.org/package=rd2d).
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- Replication: [R-script](), [data]().
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- Replication: [R-script](https://github.com/rdpackages/rd2d/blob/main/R/rd2d_illustration.R), [data](https://github.com/rdpackages/rd2d/blob/main/R/rd2d_data.csv).
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## Repository

‎rd2d/rd2d.pdf‎

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‎rd2d/rd2d/.Rbuildignore‎

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^tests$
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^\.gitignore$

‎rd2d/rd2d/DESCRIPTION‎

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Package: rd2d
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Type: Package
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Title: Boundary Regression Discontinuity Designs
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Version: 0.0.1
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Authors@R: c(
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person(given = "Matias D.", family = "Cattaneo", role = "aut"),
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person(given = "Rocio", family = "Titiunik", role = "aut"),
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person(given = "Ruiqi Rae", family = "Yu", email = "rae.yu@princeton.edu", role = c("aut", "cre")))
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URL: https://rdpackages.github.io/rd2d/
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Description: Provides estimation and inference procedures for boundary regression discontinuity (RD) designs
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using local polynomial methods, based on either bivariate coordinates or distance-based approaches.
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Methods are developed in Cattaneo, Titiunik, and Yu (2025)
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<https://mdcattaneo.github.io/papers/Cattaneo-Titiunik-Yu_2025_BoundaryRD.pdf>.
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Imports: MASS, expm, ggplot2
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License: GPL-2
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Encoding: UTF-8
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Roxygen: list(markdown = TRUE)
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RoxygenNote: 7.3.2
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Maintainer: Ruiqi Rae Yu <rae.yu@princeton.edu>
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NeedsCompilation: no
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Packaged: 2025-05-12 20:57:21 UTC; yuruiqi
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Author: Matias D. Cattaneo [aut],
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Rocio Titiunik [aut],
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Ruiqi Rae Yu [aut, cre]

‎rd2d/rd2d/NAMESPACE‎

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# Generated by roxygen2: do not edit by hand
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S3method(print,rd2d)
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S3method(print,rd2d.dist)
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S3method(print,rdbw2d)
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S3method(print,rdbw2d.dist)
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S3method(summary,rd2d)
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S3method(summary,rd2d.dist)
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S3method(summary,rdbw2d)
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S3method(summary,rdbw2d.dist)
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export(rd2d)
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export(rd2d.dist)
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export(rdbw2d)
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export(rdbw2d.dist)
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import(ggplot2)
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importFrom(MASS,ginv)
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importFrom(MASS,mvrnorm)
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importFrom(expm,sqrtm)
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importFrom(graphics,legend)
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importFrom(graphics,lines)
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importFrom(graphics,plot)
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importFrom(graphics,points)
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importFrom(stats,D)
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importFrom(stats,as.formula)
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importFrom(stats,complete.cases)
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importFrom(stats,cov)
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importFrom(stats,density)
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importFrom(stats,dnorm)
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importFrom(stats,integrate)
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importFrom(stats,lm)
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importFrom(stats,median)
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importFrom(stats,optimize)
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importFrom(stats,pnorm)
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importFrom(stats,predict)
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importFrom(stats,qnorm)
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importFrom(stats,quantile)
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importFrom(stats,sd)

‎rd2d/rd2d/R/rd2d-package.R‎

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################################################################################
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#' @title rd2d: Two Dimensional Local Polynomial Regression Discontinuity Design
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#'
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#' @description This package implements estimation and inference procedures for boundary regression discontinuity (RD) designs
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#' using local polynomial methods, based on either bivariate coordinates or distance-based approaches.
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#' Methods are developed in Cattaneo, Titiunik, and Yu (2025)
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#' <https://mdcattaneo.github.io/papers/Cattaneo-Titiunik-Yu_2025_BoundaryRD.pdf>.
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#'
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#' Included functions are: \link{rd2d} for inference and estimation based on bivariate coordinates,
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#' \link{rdbw2d} for data-driven bandwidth selection based on bivariate coordinates,
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#' \link{rd2d.dist} for distance-based inference and estimation,
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#' \link{rdbw2d.dist} for distance-based bandwidth selection.
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#'
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#' \code{print()} and \code{summary()} methods are available all four functions.
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#'
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#' Related Stata, R, and Python packages useful for inference in RD designs are described in the following website:
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#'
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#' \href{ https://rdpackages.github.io/}{ https://rdpackages.github.io/}
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#'
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#' For an introduction to regression discontinuity design, see \href{https://www.cambridge.org/core/elements/practical-introduction-to-regression-discontinuity-designs/C6A70A32359115510AAC370A7869AE2F}{Cattaneo (2024)} and references therein.
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#'
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#' @author
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#' Matias Cattaneo, Princeton University. \email{cattaneo@princeton.edu}.
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#' Rocio Titiunik, Princeton University. \email{titiunik@princeton.edu}.
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#' Ruiqi Rae Yu, Princeton University. \email{rae.yu@princeton.edu}.
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#'
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#' @references
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#' \itemize{
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#' \item{\href{https://mdcattaneo.github.io/papers/Cattaneo-Titiunik-Yu_2025_BoundaryRD.pdf}{Cattaneo, M. D., Titiunik, R., Yu, R. R. (2025).}
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#' Estimation and Inference in Boundary Discontinuity Designs}
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#' \item{\href{https://www.cambridge.org/core/elements/practical-introduction-to-regression-discontinuity-designs/C6A70A32359115510AAC370A7869AE2F}{Cattaneo, M. D., Idrobo, N., Titiunik, R. (2024).}
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#' A Practical Introduction to Regression Discontinuity Designs: Extensions}
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#' }
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#'
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#' @importFrom graphics legend
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#' @importFrom graphics lines
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#' @importFrom graphics plot
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#' @importFrom graphics points
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#' @importFrom stats qnorm
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#' @importFrom stats quantile
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#' @importFrom stats D
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#' @importFrom stats integrate
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#' @importFrom stats optimize
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#' @importFrom stats pnorm
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#' @importFrom stats dnorm
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#' @importFrom stats sd
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#' @importFrom stats as.formula
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#' @importFrom stats complete.cases
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#' @importFrom stats cov
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#' @importFrom stats lm
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#' @importFrom stats median
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#' @importFrom stats predict
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#' @importFrom stats density
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#' @importFrom MASS mvrnorm
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#' @importFrom MASS ginv
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#' @importFrom expm sqrtm
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#' @import ggplot2
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#'
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#' @aliases rd2d-package
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"_PACKAGE"

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